add file and line information (#365)

* add file and line to tooltips
* add file and line to anonymous methods

## Before:

![image](https://user-images.githubusercontent.com/1365881/134863173-0d5635e8-1884-4276-a2cc-b0b7af5a579b.png)

![image](https://user-images.githubusercontent.com/1365881/134863456-f56aca3b-2742-4194-ba1e-823ff871a316.png)

While you was able to get this info with clicking in "Time Order" and "Left Heavy" view, it was impossible to receive in the sandwich view.

## After:

![image](https://user-images.githubusercontent.com/1365881/134863282-6719db20-e528-4eb5-b876-b35f99c34da4.png)

![image](https://user-images.githubusercontent.com/1365881/134863365-b6a550d4-56d8-4cf0-a17f-f682f1d2fe57.png)

src/import/__snapshots__/chrome.test.ts.snap

@@ -268,18 +268,18 @@ Object {
     Frame {
       "col": 1,
       "file": "extensions::SafeBuiltins",
-      "key": "(anonymous):extensions::SafeBuiltins:1:1",
+      "key": "(anonymous extensions::SafeBuiltins:1):extensions::SafeBuiltins:1:1",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::SafeBuiltins:1)",
       "selfWeight": 0,
       "totalWeight": 3188,
     },
     Frame {
       "col": 10,
       "file": "extensions::SafeBuiltins",
-      "key": "(anonymous):extensions::SafeBuiltins:1:10",
+      "key": "(anonymous extensions::SafeBuiltins:1):extensions::SafeBuiltins:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::SafeBuiltins:1)",
       "selfWeight": 0,
       "totalWeight": 3188,
     },
@@ -304,9 +304,9 @@ Object {
     Frame {
       "col": 1,
       "file": "file:///Users/jlfwong/code/speedscope/sample/programs/javascript/simple.js",
-      "key": "(anonymous):file:///Users/jlfwong/code/speedscope/sample/programs/javascript/simple.js:1:1",
+      "key": "(anonymous simple.js:1):file:///Users/jlfwong/code/speedscope/sample/programs/javascript/simple.js:1:1",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous simple.js:1)",
       "selfWeight": 136,
       "totalWeight": 37217,
     },
@@ -359,8 +359,8 @@ Object {
   "name": "simple.json",
   "stacks": Array [
     " 6.85ms",
-    "(anonymous);(anonymous);saveBuiltin 302.00µs",
-    "(anonymous);(anonymous);saveBuiltin;(program) 2.89ms",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin 302.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin;(program) 2.89ms",
     " 230.00µs",
     "(program) 828.00µs",
     " 110.00µs",
@@ -369,137 +369,137 @@ Object {
     "(program) 123.00µs",
     " 139.00µs",
     "(program) 400.00µs",
-    "(anonymous) 136.00µs",
-    "(anonymous);alpha;beta 108.00µs",
-    "(anonymous);alpha;beta;gamma 268.00µs",
-    "(anonymous);alpha 137.00µs",
-    "(anonymous);alpha;delta 139.00µs",
-    "(anonymous);alpha;delta;gamma 261.00µs",
-    "(anonymous);alpha;beta;gamma 964.00µs",
-    "(anonymous);alpha;delta;gamma 268.00µs",
-    "(anonymous);alpha;beta;gamma 265.00µs",
-    "(anonymous);alpha;delta;gamma 582.00µs",
-    "(anonymous);alpha;beta;gamma 135.00µs",
-    "(anonymous);alpha;delta;gamma 147.00µs",
-    "(anonymous);alpha;beta;gamma 163.00µs",
-    "(anonymous);alpha;delta;gamma 133.00µs",
-    "(anonymous);alpha;beta;gamma 144.00µs",
-    "(anonymous);alpha;delta;gamma 276.00µs",
-    "(anonymous);alpha;delta 136.00µs",
-    "(anonymous);alpha;beta;gamma 144.00µs",
-    "(anonymous);alpha;delta;gamma 431.00µs",
-    "(anonymous);alpha;beta;gamma 419.00µs",
-    "(anonymous);alpha;delta;gamma 134.00µs",
-    "(anonymous);alpha;beta;gamma 136.00µs",
-    "(anonymous);alpha;delta;gamma 144.00µs",
-    "(anonymous);alpha;beta;gamma 269.00µs",
-    "(anonymous);alpha;delta;gamma 160.00µs",
-    "(anonymous);alpha;beta;gamma 141.00µs",
-    "(anonymous);alpha;delta;gamma 292.00µs",
-    "(anonymous);alpha;beta;gamma 583.00µs",
-    "(anonymous);alpha;delta;gamma 149.00µs",
-    "(anonymous);alpha;beta;gamma 139.00µs",
-    "(anonymous);alpha;delta;gamma 133.00µs",
-    "(anonymous);alpha;beta;gamma 386.00µs",
-    "(anonymous);alpha;delta;gamma 385.00µs",
-    "(anonymous);alpha;beta;gamma 391.00µs",
-    "(anonymous);alpha;delta;gamma 261.00µs",
-    "(anonymous);alpha;beta;gamma 131.00µs",
-    "(anonymous);alpha;delta;gamma 132.00µs",
-    "(anonymous);alpha 144.00µs",
-    "(anonymous);alpha;delta;gamma 134.00µs",
-    "(anonymous);alpha;beta;gamma 146.00µs",
-    "(anonymous);alpha;delta;gamma 119.00µs",
-    "(anonymous);alpha;beta;gamma 120.00µs",
-    "(anonymous);alpha;delta;gamma 134.00µs",
-    "(anonymous);alpha;beta;gamma 1.47ms",
-    "(anonymous);alpha;delta;gamma 148.00µs",
-    "(anonymous);alpha;beta;gamma 147.00µs",
-    "(anonymous);alpha;delta;gamma 146.00µs",
-    "(anonymous);alpha;beta;gamma 269.00µs",
-    "(anonymous);alpha;delta;gamma 138.00µs",
-    "(anonymous);alpha;beta;gamma 509.00µs",
-    "(anonymous);alpha;delta;gamma 1.63ms",
-    "(anonymous);alpha;beta;gamma 432.00µs",
-    "(anonymous);alpha;delta;gamma 129.00µs",
-    "(anonymous);alpha;beta;gamma 139.00µs",
-    "(anonymous);alpha;delta;gamma 389.00µs",
-    "(anonymous);alpha;beta 133.00µs",
-    "(anonymous);alpha;beta;gamma 133.00µs",
-    "(anonymous);alpha;delta;gamma 803.00µs",
-    "(anonymous);alpha;beta;gamma 283.00µs",
-    "(anonymous);alpha;delta;gamma 152.00µs",
-    "(anonymous);alpha;beta;gamma 135.00µs",
-    "(anonymous);alpha;delta;gamma 132.00µs",
-    "(anonymous);alpha;beta;gamma 134.00µs",
-    "(anonymous);alpha;delta;gamma 154.00µs",
-    "(anonymous);alpha;beta;gamma 145.00µs",
-    "(anonymous);alpha;delta;gamma 516.00µs",
-    "(anonymous);alpha;delta 128.00µs",
-    "(anonymous);alpha;delta;gamma 138.00µs",
-    "(anonymous);alpha;beta;gamma 139.00µs",
-    "(anonymous);alpha;delta;gamma 253.00µs",
-    "(anonymous);alpha;beta;gamma 145.00µs",
-    "(anonymous);alpha;delta;gamma 450.00µs",
-    "(anonymous);alpha;beta;gamma 142.00µs",
-    "(anonymous);alpha;delta;gamma 125.00µs",
-    "(anonymous);alpha;beta;gamma 289.00µs",
-    "(anonymous);alpha;delta;gamma 293.00µs",
-    "(anonymous);alpha;beta;gamma 147.00µs",
-    "(anonymous);alpha 443.00µs",
-    "(anonymous);alpha;delta;gamma 133.00µs",
-    "(anonymous);alpha;beta;gamma 409.00µs",
-    "(anonymous);alpha;beta 385.00µs",
-    "(anonymous);alpha;delta 659.00µs",
-    "(anonymous);alpha;beta 253.00µs",
-    "(anonymous);alpha;delta 257.00µs",
-    "(anonymous);alpha;beta 256.00µs",
-    "(anonymous);alpha;delta 129.00µs",
-    "(anonymous);alpha;beta 260.00µs",
-    "(anonymous);alpha;delta 255.00µs",
-    "(anonymous);alpha;beta 129.00µs",
-    "(anonymous);alpha;delta 140.00µs",
-    "(anonymous);alpha;beta 136.00µs",
-    "(anonymous);alpha;delta 134.00µs",
-    "(anonymous);alpha;beta 283.00µs",
-    "(anonymous);alpha;delta 253.00µs",
-    "(anonymous);alpha;beta 397.00µs",
-    "(anonymous);alpha;delta 401.00µs",
-    "(anonymous);alpha;beta 267.00µs",
-    "(anonymous);alpha;delta 283.00µs",
-    "(anonymous);alpha;beta 137.00µs",
-    "(anonymous);alpha;delta 134.00µs",
-    "(anonymous);alpha;beta 403.00µs",
-    "(anonymous);alpha;delta 135.00µs",
-    "(anonymous);alpha;beta 658.00µs",
-    "(anonymous);alpha;delta 117.00µs",
-    "(anonymous);alpha;beta 257.00µs",
-    "(anonymous);alpha;delta 134.00µs",
-    "(anonymous);alpha;beta 143.00µs",
-    "(anonymous);alpha;delta 260.00µs",
-    "(anonymous);alpha 149.00µs",
-    "(anonymous);alpha;delta 146.00µs",
-    "(anonymous);alpha;beta 129.00µs",
-    "(anonymous);alpha;delta 131.00µs",
-    "(anonymous);alpha;beta 130.00µs",
-    "(anonymous);alpha;delta 665.00µs",
-    "(anonymous);alpha;beta 415.00µs",
-    "(anonymous);alpha;delta 264.00µs",
-    "(anonymous);alpha;beta 527.00µs",
-    "(anonymous);alpha;delta 140.00µs",
-    "(anonymous);alpha;beta 269.00µs",
-    "(anonymous);alpha;delta 135.00µs",
-    "(anonymous);alpha;beta 386.00µs",
-    "(anonymous);alpha;delta 559.00µs",
-    "(anonymous);alpha;beta 131.00µs",
-    "(anonymous);alpha;delta 140.00µs",
-    "(anonymous);alpha;beta 129.00µs",
-    "(anonymous);alpha;delta 400.00µs",
-    "(anonymous);alpha;beta 134.00µs",
-    "(anonymous);alpha;delta 634.00µs",
-    "(anonymous);alpha;beta 1.10ms",
-    "(anonymous);alpha;delta 271.00µs",
-    "(anonymous);alpha;delta;(program) 1.46ms",
+    "(anonymous simple.js:1) 136.00µs",
+    "(anonymous simple.js:1);alpha;beta 108.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 268.00µs",
+    "(anonymous simple.js:1);alpha 137.00µs",
+    "(anonymous simple.js:1);alpha;delta 139.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 261.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 964.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 268.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 265.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 582.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 135.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 147.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 163.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 133.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 144.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 276.00µs",
+    "(anonymous simple.js:1);alpha;delta 136.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 144.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 431.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 419.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 134.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 136.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 144.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 269.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 160.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 141.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 292.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 583.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 149.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 139.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 133.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 386.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 385.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 391.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 261.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 131.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 132.00µs",
+    "(anonymous simple.js:1);alpha 144.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 134.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 146.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 119.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 120.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 134.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 1.47ms",
+    "(anonymous simple.js:1);alpha;delta;gamma 148.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 147.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 146.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 269.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 138.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 509.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 1.63ms",
+    "(anonymous simple.js:1);alpha;beta;gamma 432.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 129.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 139.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 389.00µs",
+    "(anonymous simple.js:1);alpha;beta 133.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 133.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 803.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 283.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 152.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 135.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 132.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 134.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 154.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 145.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 516.00µs",
+    "(anonymous simple.js:1);alpha;delta 128.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 138.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 139.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 253.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 145.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 450.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 142.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 125.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 289.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 293.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 147.00µs",
+    "(anonymous simple.js:1);alpha 443.00µs",
+    "(anonymous simple.js:1);alpha;delta;gamma 133.00µs",
+    "(anonymous simple.js:1);alpha;beta;gamma 409.00µs",
+    "(anonymous simple.js:1);alpha;beta 385.00µs",
+    "(anonymous simple.js:1);alpha;delta 659.00µs",
+    "(anonymous simple.js:1);alpha;beta 253.00µs",
+    "(anonymous simple.js:1);alpha;delta 257.00µs",
+    "(anonymous simple.js:1);alpha;beta 256.00µs",
+    "(anonymous simple.js:1);alpha;delta 129.00µs",
+    "(anonymous simple.js:1);alpha;beta 260.00µs",
+    "(anonymous simple.js:1);alpha;delta 255.00µs",
+    "(anonymous simple.js:1);alpha;beta 129.00µs",
+    "(anonymous simple.js:1);alpha;delta 140.00µs",
+    "(anonymous simple.js:1);alpha;beta 136.00µs",
+    "(anonymous simple.js:1);alpha;delta 134.00µs",
+    "(anonymous simple.js:1);alpha;beta 283.00µs",
+    "(anonymous simple.js:1);alpha;delta 253.00µs",
+    "(anonymous simple.js:1);alpha;beta 397.00µs",
+    "(anonymous simple.js:1);alpha;delta 401.00µs",
+    "(anonymous simple.js:1);alpha;beta 267.00µs",
+    "(anonymous simple.js:1);alpha;delta 283.00µs",
+    "(anonymous simple.js:1);alpha;beta 137.00µs",
+    "(anonymous simple.js:1);alpha;delta 134.00µs",
+    "(anonymous simple.js:1);alpha;beta 403.00µs",
+    "(anonymous simple.js:1);alpha;delta 135.00µs",
+    "(anonymous simple.js:1);alpha;beta 658.00µs",
+    "(anonymous simple.js:1);alpha;delta 117.00µs",
+    "(anonymous simple.js:1);alpha;beta 257.00µs",
+    "(anonymous simple.js:1);alpha;delta 134.00µs",
+    "(anonymous simple.js:1);alpha;beta 143.00µs",
+    "(anonymous simple.js:1);alpha;delta 260.00µs",
+    "(anonymous simple.js:1);alpha 149.00µs",
+    "(anonymous simple.js:1);alpha;delta 146.00µs",
+    "(anonymous simple.js:1);alpha;beta 129.00µs",
+    "(anonymous simple.js:1);alpha;delta 131.00µs",
+    "(anonymous simple.js:1);alpha;beta 130.00µs",
+    "(anonymous simple.js:1);alpha;delta 665.00µs",
+    "(anonymous simple.js:1);alpha;beta 415.00µs",
+    "(anonymous simple.js:1);alpha;delta 264.00µs",
+    "(anonymous simple.js:1);alpha;beta 527.00µs",
+    "(anonymous simple.js:1);alpha;delta 140.00µs",
+    "(anonymous simple.js:1);alpha;beta 269.00µs",
+    "(anonymous simple.js:1);alpha;delta 135.00µs",
+    "(anonymous simple.js:1);alpha;beta 386.00µs",
+    "(anonymous simple.js:1);alpha;delta 559.00µs",
+    "(anonymous simple.js:1);alpha;beta 131.00µs",
+    "(anonymous simple.js:1);alpha;delta 140.00µs",
+    "(anonymous simple.js:1);alpha;beta 129.00µs",
+    "(anonymous simple.js:1);alpha;delta 400.00µs",
+    "(anonymous simple.js:1);alpha;beta 134.00µs",
+    "(anonymous simple.js:1);alpha;delta 634.00µs",
+    "(anonymous simple.js:1);alpha;beta 1.10ms",
+    "(anonymous simple.js:1);alpha;delta 271.00µs",
+    "(anonymous simple.js:1);alpha;delta;(program) 1.46ms",
     " 430.00µs",
     "(program) 781.00µs",
     " 273.00µs",
@@ -629,9 +629,9 @@ Object {
     Frame {
       "col": 9,
       "file": "http://172.30.3.176:7777/worker.html",
-      "key": "(anonymous):http://172.30.3.176:7777/worker.html:1:9",
+      "key": "(anonymous worker.html:1):http://172.30.3.176:7777/worker.html:1:9",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous worker.html:1)",
       "selfWeight": 0,
       "totalWeight": 2524,
     },
@@ -731,8 +731,8 @@ Object {
     "(program) 11.20ms",
     " 296.00µs",
     "(program) 1.90ms",
-    "(anonymous);Worker 806.00µs",
-    "(anonymous);Worker;(program) 1.72ms",
+    "(anonymous worker.html:1);Worker 806.00µs",
+    "(anonymous worker.html:1);Worker;(program) 1.72ms",
     " 670.00µs",
     "(program) 28.45ms",
     " 353.00µs",
@@ -923,18 +923,18 @@ Object {
     Frame {
       "col": 1,
       "file": "extensions::SafeBuiltins",
-      "key": "(anonymous):extensions::SafeBuiltins:1:1",
+      "key": "(anonymous extensions::SafeBuiltins:1):extensions::SafeBuiltins:1:1",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::SafeBuiltins:1)",
       "selfWeight": 0,
       "totalWeight": 37463,
     },
     Frame {
       "col": 10,
       "file": "extensions::SafeBuiltins",
-      "key": "(anonymous):extensions::SafeBuiltins:1:10",
+      "key": "(anonymous extensions::SafeBuiltins:1):extensions::SafeBuiltins:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::SafeBuiltins:1)",
       "selfWeight": 0,
       "totalWeight": 37463,
     },
@@ -959,9 +959,9 @@ Object {
     Frame {
       "col": 33,
       "file": "extensions::SafeBuiltins",
-      "key": "(anonymous):extensions::SafeBuiltins:8:33",
+      "key": "(anonymous extensions::SafeBuiltins:8):extensions::SafeBuiltins:8:33",
       "line": 8,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::SafeBuiltins:8)",
       "selfWeight": 234,
       "totalWeight": 234,
     },
@@ -986,9 +986,9 @@ Object {
     Frame {
       "col": 1,
       "file": "chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js",
-      "key": "(anonymous):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:1:1",
+      "key": "(anonymous injected.min.js:1):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:1:1",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous injected.min.js:1)",
       "selfWeight": 1550,
       "totalWeight": 15220,
     },
@@ -1013,9 +1013,9 @@ Object {
     Frame {
       "col": 10,
       "file": "extensions::runtime",
-      "key": "(anonymous):extensions::runtime:1:10",
+      "key": "(anonymous extensions::runtime:1):extensions::runtime:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::runtime:1)",
       "selfWeight": 2319,
       "totalWeight": 15277,
     },
@@ -1031,45 +1031,45 @@ Object {
     Frame {
       "col": 10,
       "file": "extensions::binding",
-      "key": "(anonymous):extensions::binding:1:10",
+      "key": "(anonymous extensions::binding:1):extensions::binding:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::binding:1)",
       "selfWeight": 791,
       "totalWeight": 4994,
     },
     Frame {
       "col": 10,
       "file": "extensions::event_bindings",
-      "key": "(anonymous):extensions::event_bindings:1:10",
+      "key": "(anonymous extensions::event_bindings:1):extensions::event_bindings:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::event_bindings:1)",
       "selfWeight": 822,
       "totalWeight": 4068,
     },
     Frame {
       "col": 10,
       "file": "extensions::sendRequest",
-      "key": "(anonymous):extensions::sendRequest:1:10",
+      "key": "(anonymous extensions::sendRequest:1):extensions::sendRequest:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::sendRequest:1)",
       "selfWeight": 761,
       "totalWeight": 2844,
     },
     Frame {
       "col": 10,
       "file": "extensions::schemaUtils",
-      "key": "(anonymous):extensions::schemaUtils:1:10",
+      "key": "(anonymous extensions::schemaUtils:1):extensions::schemaUtils:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::schemaUtils:1)",
       "selfWeight": 847,
       "totalWeight": 1814,
     },
     Frame {
       "col": 10,
       "file": "extensions::json_schema",
-      "key": "(anonymous):extensions::json_schema:1:10",
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@@ -1103,9 +1103,9 @@ Object {
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-      "key": "(anonymous):extensions::messaging:1:10",
+      "key": "(anonymous extensions::messaging:1):extensions::messaging:1:10",
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-      "name": "(anonymous)",
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@@ -1130,9 +1130,9 @@ Object {
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-      "key": "(anonymous):extensions::binding:253:44",
+      "key": "(anonymous extensions::binding:253):extensions::binding:253:44",
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-      "name": "(anonymous)",
+      "name": "(anonymous extensions::binding:253)",
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@@ -1148,27 +1148,27 @@ Object {
     Frame {
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       "file": "extensions::binding",
-      "key": "(anonymous):extensions::binding:271:46",
+      "key": "(anonymous extensions::binding:271):extensions::binding:271:46",
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-      "name": "(anonymous)",
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     Frame {
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       "file": "extensions::binding",
-      "key": "(anonymous):extensions::binding:323:48",
+      "key": "(anonymous extensions::binding:323):extensions::binding:323:48",
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-      "name": "(anonymous)",
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     Frame {
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       "file": "extensions::binding",
-      "key": "(anonymous):extensions::binding:397:45",
+      "key": "(anonymous extensions::binding:397):extensions::binding:397:45",
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-      "name": "(anonymous)",
+      "name": "(anonymous extensions::binding:397)",
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@@ -1229,18 +1229,18 @@ Object {
     Frame {
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       "file": "extensions::binding",
-      "key": "(anonymous):extensions::binding:181:47",
+      "key": "(anonymous extensions::binding:181):extensions::binding:181:47",
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-      "name": "(anonymous)",
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     Frame {
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       "file": "extensions::runtime",
-      "key": "(anonymous):extensions::runtime:17:36",
+      "key": "(anonymous extensions::runtime:17):extensions::runtime:17:36",
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-      "name": "(anonymous)",
+      "name": "(anonymous extensions::runtime:17)",
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@@ -1283,27 +1283,27 @@ Object {
     Frame {
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       "file": "chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js",
-      "key": "(anonymous):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:65:10",
+      "key": "(anonymous injected.min.js:65):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:65:10",
       "line": 65,
-      "name": "(anonymous)",
+      "name": "(anonymous injected.min.js:65)",
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     Frame {
       "col": 47,
       "file": "extensions::SafeBuiltins",
-      "key": "(anonymous):extensions::SafeBuiltins:66:47",
+      "key": "(anonymous extensions::SafeBuiltins:66):extensions::SafeBuiltins:66:47",
       "line": 66,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::SafeBuiltins:66)",
       "selfWeight": 116,
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     Frame {
       "col": 1,
       "file": "chrome-extension://denbgaamihkadbghdceggmchnflmhpmk/contentScript.js",
-      "key": "(anonymous):chrome-extension://denbgaamihkadbghdceggmchnflmhpmk/contentScript.js:1:1",
+      "key": "(anonymous contentScript.js:1):chrome-extension://denbgaamihkadbghdceggmchnflmhpmk/contentScript.js:1:1",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous contentScript.js:1)",
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@@ -1364,9 +1364,9 @@ Object {
     Frame {
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       "file": "extensions::uncaught_exception_handler",
-      "key": "(anonymous):extensions::uncaught_exception_handler:1:10",
+      "key": "(anonymous extensions::uncaught_exception_handler:1):extensions::uncaught_exception_handler:1:10",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous extensions::uncaught_exception_handler:1)",
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@@ -1382,9 +1382,9 @@ Object {
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       "file": "http://127.0.0.1:8081/worker.html",
-      "key": "(anonymous):http://127.0.0.1:8081/worker.html:1:9",
+      "key": "(anonymous worker.html:1):http://127.0.0.1:8081/worker.html:1:9",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous worker.html:1)",
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@@ -1418,9 +1418,9 @@ Object {
     Frame {
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       "file": "chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js",
-      "key": "(anonymous):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:51:52",
+      "key": "(anonymous injected.min.js:51):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:51:52",
       "line": 51,
-      "name": "(anonymous)",
+      "name": "(anonymous injected.min.js:51)",
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@@ -1436,9 +1436,9 @@ Object {
     Frame {
       "col": 145,
       "file": "chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js",
-      "key": "(anonymous):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:51:145",
+      "key": "(anonymous injected.min.js:51):chrome-extension://aomjjhallfgjeglblehebfpbcfeobpgk/injected.min.js:51:145",
       "line": 51,
-      "name": "(anonymous)",
+      "name": "(anonymous injected.min.js:51)",
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@@ -1482,9 +1482,9 @@ Object {
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-    "(anonymous);(anonymous);saveBuiltin 92.00µs",
-    "(anonymous);(anonymous);saveBuiltin;(program) 2.62ms",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin;makeCallable;(anonymous extensions::SafeBuiltins:8) 102.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin 92.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin;(program) 2.62ms",
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@@ -1495,100 +1495,100 @@ Object {
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-    "(anonymous);(anonymous);saveBuiltin 141.00µs",
-    "(anonymous);(anonymous);saveBuiltin;makeCallable 122.00µs",
-    "(anonymous);(anonymous);saveBuiltin;makeCallable;(program) 6.65ms",
-    "(anonymous) 598.00µs",
-    "(anonymous);(garbage collector) 778.00µs",
-    "(anonymous) 660.00µs",
-    "(anonymous);La 407.00µs",
-    "(anonymous);La;get webstore 139.00µs",
-    "(anonymous);La;get webstore;(anonymous) 1.15ms",
-    "(anonymous);La;get webstore;(anonymous);privates 132.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous) 791.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates 135.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous) 669.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 375.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates 134.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 256.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates 135.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 847.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates 133.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 580.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous) 153.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);expose;target.(anonymous function);Apply 146.00µs",
-    "(anonymous);La;get webstore;(anonymous) 744.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous) 151.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates;(anonymous);expose 147.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates 141.00µs",
-    "(anonymous);La;get webstore;(anonymous) 146.00µs",
-    "(anonymous);La;get webstore;(anonymous);privates 139.00µs",
-    "(anonymous);La;get webstore;(anonymous) 142.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;privates 120.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;shouldCheckUnprivileged;target.(anonymous function);Apply 146.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply 259.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);JSONSchemaValidator.addTypes 149.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply 153.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply 251.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous);target.(anonymous function) 292.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous) 295.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply 152.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous) 159.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);privates 135.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);privates 133.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);Event 139.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);Event;privates.constructPrivate;target.(anonymous function);Apply 137.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);Event;privates.constructPrivate;target.(anonymous function);Apply;EventImpl 125.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous) 142.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;addProperties 149.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;addProperties;forEach;target.(anonymous function);Apply 126.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate 149.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;runHooks_;target.(anonymous function);Apply;(anonymous) 141.00µs",
-    "(anonymous);La;get webstore;(anonymous);generate;runHooks_;target.(anonymous function);Apply;(anonymous);(anonymous) 132.00µs",
-    "(anonymous) 160.00µs",
-    "(anonymous);l 127.00µs",
-    "(anonymous) 132.00µs",
-    "(anonymous);publicClassPrototype.(anonymous function);target.(anonymous function);Apply 141.00µs",
-    "(anonymous);publicClassPrototype.(anonymous function);target.(anonymous function);Apply;EventImpl.addListener 135.00µs",
-    "(anonymous);bb 146.00µs",
-    "(anonymous);(anonymous) 141.00µs",
-    "(anonymous);(anonymous);(program) 930.00µs",
-    "(anonymous);(anonymous);saveBuiltin;makeCallable;(anonymous) 132.00µs",
-    "(anonymous);(anonymous);(anonymous) 116.00µs",
-    "(anonymous);(anonymous);(anonymous);(program) 27.49ms",
-    "(anonymous) 542.00µs",
-    "(anonymous);insertTextScript 392.00µs",
-    "(anonymous);insertTextScript;insertHeaderNode 189.00µs",
-    "(anonymous);insertTextScript;insertHeaderNode;appendChild;(anonymous);(anonymous) 148.00µs",
-    "(anonymous);insertTextScript;insertHeaderNode;appendChild 145.00µs",
-    "(anonymous);listenForMessage;get webstore 148.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 121.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 130.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous);privates;(anonymous) 254.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);privates;(anonymous);privates;(anonymous);(anonymous) 135.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);privates 122.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);privates;(anonymous);target.(anonymous function);Apply 130.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous) 141.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function) 154.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous) 123.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous);target.(anonymous function) 137.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply 257.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(garbage collector) 1.58ms",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous) 128.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply;(anonymous);target.(anonymous function);Apply 289.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);privates 292.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;target.(anonymous function);Apply;(anonymous);Event;privates.constructPrivate;target.(anonymous function);Apply;EventImpl 126.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;addProperties;forEach;target.(anonymous function) 144.00µs",
-    "(anonymous);listenForMessage;get webstore;(anonymous);generate;addProperties;forEach;target.(anonymous function);(program) 291.00µs",
-    "(anonymous);Worker 416.00µs",
-    "(anonymous);Worker;(program) 523.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin 141.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin;makeCallable 122.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin;makeCallable;(program) 6.65ms",
+    "(anonymous injected.min.js:1) 598.00µs",
+    "(anonymous injected.min.js:1);(garbage collector) 778.00µs",
+    "(anonymous injected.min.js:1) 660.00µs",
+    "(anonymous injected.min.js:1);La 407.00µs",
+    "(anonymous injected.min.js:1);La;get webstore 139.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1) 1.15ms",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates 132.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1) 791.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates 135.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1) 669.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1) 375.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1);privates 134.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1) 256.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1);privates 135.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1);privates;(anonymous extensions::schemaUtils:1) 847.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1);privates;(anonymous extensions::schemaUtils:1);privates 133.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1);privates;(anonymous extensions::schemaUtils:1);privates;(anonymous extensions::json_schema:1) 580.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1) 153.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);expose;target.(anonymous function);Apply 146.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1) 744.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::messaging:1) 151.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::messaging:1);expose 147.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates 141.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1) 146.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);privates 139.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1) 142.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;privates 120.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;shouldCheckUnprivileged;target.(anonymous function);Apply 146.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply 259.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);JSONSchemaValidator.addTypes 149.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply 153.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271);target.(anonymous function);Apply 251.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271);target.(anonymous function) 292.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271) 295.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply 152.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:323) 159.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:323);privates 135.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:397);privates 133.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:397);Event 139.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:397);Event;privates.constructPrivate;target.(anonymous function);Apply 137.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:397);Event;privates.constructPrivate;target.(anonymous function);Apply;EventImpl 125.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:397) 142.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;addProperties 149.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;addProperties;forEach;target.(anonymous function);Apply 126.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate 149.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;runHooks_;target.(anonymous function);Apply;(anonymous extensions::binding:181) 141.00µs",
+    "(anonymous injected.min.js:1);La;get webstore;(anonymous extensions::runtime:1);generate;runHooks_;target.(anonymous function);Apply;(anonymous extensions::binding:181);(anonymous extensions::runtime:17) 132.00µs",
+    "(anonymous injected.min.js:1) 160.00µs",
+    "(anonymous injected.min.js:1);l 127.00µs",
+    "(anonymous injected.min.js:1) 132.00µs",
+    "(anonymous injected.min.js:1);publicClassPrototype.(anonymous function);target.(anonymous function);Apply 141.00µs",
+    "(anonymous injected.min.js:1);publicClassPrototype.(anonymous function);target.(anonymous function);Apply;EventImpl.addListener 135.00µs",
+    "(anonymous injected.min.js:1);bb 146.00µs",
+    "(anonymous injected.min.js:1);(anonymous injected.min.js:65) 141.00µs",
+    "(anonymous injected.min.js:1);(anonymous injected.min.js:65);(program) 930.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);saveBuiltin;makeCallable;(anonymous extensions::SafeBuiltins:8) 132.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:66) 116.00µs",
+    "(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:1);(anonymous extensions::SafeBuiltins:66);(program) 27.49ms",
+    "(anonymous contentScript.js:1) 542.00µs",
+    "(anonymous contentScript.js:1);insertTextScript 392.00µs",
+    "(anonymous contentScript.js:1);insertTextScript;insertHeaderNode 189.00µs",
+    "(anonymous contentScript.js:1);insertTextScript;insertHeaderNode;appendChild;(anonymous);(anonymous) 148.00µs",
+    "(anonymous contentScript.js:1);insertTextScript;insertHeaderNode;appendChild 145.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore 148.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::uncaught_exception_handler:1) 121.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1) 130.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);privates;(anonymous extensions::sendRequest:1);privates;(anonymous extensions::schemaUtils:1);privates;(anonymous extensions::json_schema:1) 254.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::binding:1);privates;(anonymous extensions::event_bindings:1);(anonymous) 135.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);privates 122.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);privates;(anonymous extensions::messaging:1);target.(anonymous function);Apply 130.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1) 141.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function) 154.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271) 123.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271);target.(anonymous function) 137.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271);target.(anonymous function);Apply 257.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271);target.(anonymous function);Apply;(garbage collector) 1.58ms",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271) 128.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:253);target.(anonymous function);Apply;(anonymous extensions::binding:271);target.(anonymous function);Apply 289.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:323);privates 292.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;target.(anonymous function);Apply;(anonymous extensions::binding:397);Event;privates.constructPrivate;target.(anonymous function);Apply;EventImpl 126.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;addProperties;forEach;target.(anonymous function) 144.00µs",
+    "(anonymous contentScript.js:1);listenForMessage;get webstore;(anonymous extensions::runtime:1);generate;addProperties;forEach;target.(anonymous function);(program) 291.00µs",
+    "(anonymous worker.html:1);Worker 416.00µs",
+    "(anonymous worker.html:1);Worker;(program) 523.00µs",
     "cb;$a 278.00µs",
     "cb;$a;(program) 81.00µs",
-    "(anonymous);setTimeout 42.00µs",
-    "(anonymous);setTimeout;(program) 641.00µs",
-    "(anonymous);setTimeout 21.00µs",
-    "(anonymous) 117.00µs",
-    "(anonymous);(program) 540.00µs",
+    "(anonymous injected.min.js:51);setTimeout 42.00µs",
+    "(anonymous injected.min.js:51);setTimeout;(program) 641.00µs",
+    "(anonymous injected.min.js:51);setTimeout 21.00µs",
+    "(anonymous injected.min.js:51) 117.00µs",
+    "(anonymous injected.min.js:51);(program) 540.00µs",
     " 511.00µs",
     "(program) 125.00µs",
     " 136.00µs",

src/import/__snapshots__/safari.test.ts.snap

@@ -17,7 +17,7 @@ Object {
       "file": "__InjectedScript_CommandLineAPIModuleSource.js",
       "key": ":__InjectedScript_CommandLineAPIModuleSource.js:2:10",
       "line": 2,
-      "name": "(anonymous)",
+      "name": "(anonymous __InjectedScript_CommandLineAPIModuleSource.js:2)",
       "selfWeight": 0.001,
       "totalWeight": 0.001,
     },
@@ -78,7 +78,7 @@ Object {
   ],
   "name": "Grabación de Control temporal 1",
   "stacks": Array [
-    "injectModule;(anonymous) 1.00ms",
+    "injectModule;(anonymous __InjectedScript_CommandLineAPIModuleSource.js:2) 1.00ms",
     " 39.93ms",
     "(program);alpha;delta;gamma 10.83ms",
     " 2.46ms",

src/import/__snapshots__/v8proflog.test.ts.snap

@@ -8,7 +8,7 @@ Object {
       "file": "bootstrap_node.js",
       "key": " bootstrap_node.js:10:10",
       "line": 10,
-      "name": "(anonymous)",
+      "name": "(anonymous bootstrap_node.js:10)",
       "selfWeight": 0,
       "totalWeight": 116424,
     },
@@ -53,7 +53,7 @@ Object {
       "file": "util.js",
       "key": " util.js:1:11",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous util.js:1)",
       "selfWeight": 0,
       "totalWeight": 29385,
     },
@@ -62,7 +62,7 @@ Object {
       "file": "internal/encoding.js",
       "key": " internal/encoding.js:1:11",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous encoding.js:1)",
       "selfWeight": 0,
       "totalWeight": 29385,
     },
@@ -107,7 +107,7 @@ Object {
       "file": "module.js",
       "key": " module.js:1:11",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous module.js:1)",
       "selfWeight": 0,
       "totalWeight": 22888,
     },
@@ -116,7 +116,7 @@ Object {
       "file": "fs.js",
       "key": " fs.js:1:11",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous fs.js:1)",
       "selfWeight": 0,
       "totalWeight": 22888,
     },
@@ -197,7 +197,7 @@ Object {
       "file": "/Users/jlfwong/code/speedscope/sample/programs/javascript/simple.js",
       "key": " /Users/jlfwong/code/speedscope/sample/programs/javascript/simple.js:1:11",
       "line": 1,
-      "name": "(anonymous)",
+      "name": "(anonymous simple.js:1)",
       "selfWeight": 0,
       "totalWeight": 64151,
     },
@@ -240,22 +240,22 @@ Object {
   ],
   "name": "simple.v8log.json",
   "stacks": Array [
-    "(anonymous);startup;setupGlobalVariables;NativeModule.require;NativeModule.compile;(anonymous);NativeModule.require;NativeModule.compile;(anonymous);(c++) v8::internal::Runtime_CreateArrayLiteral;(c++) v8::internal::JSFunction::EnsureHasInitialMap 29.38ms",
-    "(anonymous);startup;setupGlobalConsole;setupInspectorCommandLineAPI;NativeModule.require;NativeModule.compile;(anonymous);NativeModule.require;NativeModule.compile;(anonymous);(c++) v8::internal::Runtime_StoreIC_Miss;(c++) v8::internal::Map::RawCopy 22.89ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b;d 37.52ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c;d 1.28ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b;d 2.55ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c;d 1.27ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b;d 1.28ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c;d 1.27ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b;d 1.29ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c;d 1.26ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b;d 1.31ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c;d 2.52ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c 1.27ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b 3.62ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;c 1.28ms",
-    "(anonymous);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous);a;b 6.42ms",
+    "(anonymous bootstrap_node.js:10);startup;setupGlobalVariables;NativeModule.require;NativeModule.compile;(anonymous util.js:1);NativeModule.require;NativeModule.compile;(anonymous encoding.js:1);(c++) v8::internal::Runtime_CreateArrayLiteral;(c++) v8::internal::JSFunction::EnsureHasInitialMap 29.38ms",
+    "(anonymous bootstrap_node.js:10);startup;setupGlobalConsole;setupInspectorCommandLineAPI;NativeModule.require;NativeModule.compile;(anonymous module.js:1);NativeModule.require;NativeModule.compile;(anonymous fs.js:1);(c++) v8::internal::Runtime_StoreIC_Miss;(c++) v8::internal::Map::RawCopy 22.89ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b;d 37.52ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c;d 1.28ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b;d 2.55ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c;d 1.27ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b;d 1.28ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c;d 1.27ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b;d 1.29ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c;d 1.26ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b;d 1.31ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c;d 2.52ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c 1.27ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b 3.62ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;c 1.28ms",
+    "(anonymous bootstrap_node.js:10);startup;Module.runMain;Module._load;tryModuleLoad;Module.load;Module._extensions..js;Module._compile;(anonymous simple.js:1);a;b 6.42ms",
   ],
 }
 `;

src/import/chrome.ts

@@ -168,7 +168,6 @@ export function importFromChromeTimeline(events: TimelineEvent[], fileName: stri
 const callFrameToFrameInfo = new Map<CPUProfileCallFrame, FrameInfo>()
 function frameInfoForCallFrame(callFrame: CPUProfileCallFrame) {
   return getOrInsert(callFrameToFrameInfo, callFrame, callFrame => {
-    const name = callFrame.functionName || '(anonymous)'
     const file = callFrame.url
 
     // In Chrome profiles, line numbers & column numbers are both 0-indexed.
@@ -181,6 +180,10 @@ function frameInfoForCallFrame(callFrame: CPUProfileCallFrame) {
     let col = callFrame.columnNumber
     if (col != null) col++
 
+    const name =
+      callFrame.functionName ||
+      (file ? `(anonymous ${file.split('/').pop()}:${line})` : '(anonymous)')
+
     return {
       key: `${name}:${file}:${line}:${col}`,
       name,

src/import/safari.ts

@@ -72,7 +72,7 @@ function makeStack(frames: StackFrame[]): FrameInfo[] {
       file: url,
       line,
       col: column,
-      name: name || '(anonymous)',
+      name: name || (url ? `(anonymous ${url.split('/').pop()}:${line})` : '(anonymous)'),
     }))
     .reverse()
 }

src/import/v8heapalloc.ts

@@ -37,10 +37,12 @@ interface HeapProfile {
 const callFrameToFrameInfo = new Map<HeapProfileCallFrame, FrameInfo>()
 function frameInfoForCallFrame(callFrame: HeapProfileCallFrame) {
   return getOrInsert(callFrameToFrameInfo, callFrame, callFrame => {
-    const name = callFrame.functionName || '(anonymous)'
     const file = callFrame.url
     const line = callFrame.lineNumber
     const col = callFrame.columnNumber
+    const name =
+      callFrame.functionName ||
+      (file ? `(anonymous ${file.split('/').pop()}:${line})` : '(anonymous)')
     return {
       key: `${name}:${file}:${line}:${col}`,
       name,

src/import/v8proflog.ts

@@ -80,12 +80,21 @@ function codeToFrameInfo(code: Code, v8log: V8LogProfile): FrameInfo {
     case 'JS': {
       const matches = name.match(/([a-zA-Z0-9\._\-$]*) ([a-zA-Z0-9\.\-_\/$]*):(\d+):(\d+)/)
       if (matches) {
+        const file = matches[2]
+        const line = parseInt(matches[3], 10)
+        const col = parseInt(matches[4], 10)
+        const functionName =
+          matches[1].length > 0
+            ? matches[1]
+            : file
+            ? `(anonymous ${file.split('/').pop()}:${line})`
+            : '(anonymous)'
         return {
           key: name,
-          name: matches[1].length > 0 ? matches[1] : '(anonymous)',
-          file: matches[2].length > 0 ? matches[2] : '(unknown file)',
-          line: parseInt(matches[3], 10),
-          col: parseInt(matches[4], 10),
+          name: functionName,
+          file: file.length > 0 ? file : '(unknown file)',
+          line,
+          col,
         }
       }
       break

src/lib/__snapshots__/js-source-map.test.ts.snap

@@ -2,7 +2,7 @@
 
 exports[`source-map remapping of chrome-85-esbuild 1`] = `
 Array [
-  "((anonymous) @ alpha.ts:5:5) <- ((anonymous) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/esbuild/typescript-source-map-test.js:1:170)",
+  "((anonymous typescript-source-map-test.js:1) @ alpha.ts:5:5) <- ((anonymous typescript-source-map-test.js:1) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/esbuild/typescript-source-map-test.js:1:170)",
   "(e @ beta.ts:3:8) <- (e @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/esbuild/typescript-source-map-test.js:1:75)",
   "(get floop @ kludge.ts:13:7) <- (get floop @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/esbuild/typescript-source-map-test.js:1:276)",
   "(l constructor @ kludge.ts:4:3) <- (l @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/esbuild/typescript-source-map-test.js:1:226)",
@@ -15,7 +15,7 @@ Array [
 
 exports[`source-map remapping of chrome-85-parcel 1`] = `
 Array [
-  "((anonymous) @ ../alpha.ts:5:5) <- ((anonymous) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/parcel/typescript-source-map-test.js:8:152)",
+  "((anonymous typescript-source-map-test.js:8) @ ../alpha.ts:5:5) <- ((anonymous typescript-source-map-test.js:8) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/parcel/typescript-source-map-test.js:8:152)",
   "(e @ ../gamma.ts:1:22) <- (e @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/parcel/typescript-source-map-test.js:2:104)",
   "(get @ ../kludge.ts:13:3) <- (get @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/parcel/typescript-source-map-test.js:10:284)",
   "(o.zap @ ../kludge.ts:9:3) <- (o.zap @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/parcel/typescript-source-map-test.js:10:211)",
@@ -32,7 +32,7 @@ Array [
 
 exports[`source-map remapping of chrome-85-webpack 1`] = `
 Array [
-  "((anonymous) @ webpack://speedscope-sourcemap-test-project/alpha.ts:5:4) <- ((anonymous) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:181)",
+  "((anonymous typescript-source-map-test.js:1) @ webpack://speedscope-sourcemap-test-project/alpha.ts:5:4) <- ((anonymous typescript-source-map-test.js:1) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:181)",
   "(get @ webpack://speedscope-sourcemap-test-project/kludge.ts:13:3) <- (get @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:368)",
   "(n.zap @ webpack://speedscope-sourcemap-test-project/kludge.ts:9:3) <- (n.zap @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:305)",
   "(n constructor @ webpack://speedscope-sourcemap-test-project/kludge.ts:4:3) <- (n @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:243)",
@@ -58,8 +58,8 @@ Array [
 
 exports[`source-map remapping of safari-13-webpack 1`] = `
 Array [
-  "((anonymous) @ webpack://speedscope-sourcemap-test-project/alpha.ts:5:4) <- ((anonymous) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:181)",
-  "(zap @ webpack://speedscope-sourcemap-test-project/kludge.ts:9:3) <- ((anonymous) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:305)",
+  "((anonymous typescript-source-map-test.js:1) @ webpack://speedscope-sourcemap-test-project/alpha.ts:5:4) <- ((anonymous typescript-source-map-test.js:1) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:181)",
+  "(zap @ webpack://speedscope-sourcemap-test-project/kludge.ts:9:3) <- ((anonymous typescript-source-map-test.js:1) @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:305)",
   "(get @ webpack://speedscope-sourcemap-test-project/kludge.ts:13:3) <- (get @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:368)",
   "(n constructor @ webpack://speedscope-sourcemap-test-project/kludge.ts:4:3) <- (n @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:243)",
   "(n @ webpack://speedscope-sourcemap-test-project/gamma.ts:1:22) <- (n @ file:///Users/jlfwong/code/speedscope/sample/programs/javascript/sourcemaps/dist/webpack/typescript-source-map-test.js:1:34)",

src/views/flamechart-view.tsx

@@ -80,6 +80,7 @@ export class FlamechartView extends StatelessComponent<FlamechartViewProps> {
     if (!hover) return null
     const {width, height, left, top} = this.container.getBoundingClientRect()
     const offset = new Vec2(hover.event.clientX - left, hover.event.clientY - top)
+    const frame = hover.node.frame
 
     const style = this.getStyle()
 
@@ -88,7 +89,12 @@ export class FlamechartView extends StatelessComponent<FlamechartViewProps> {
         <span className={css(style.hoverCount)}>
           {this.formatValue(hover.node.getTotalWeight())}
         </span>{' '}
-        {hover.node.frame.name}
+        {frame.name}
+        {frame.file ? (
+          <div>
+            {frame.file}:{frame.line}
+          </div>
+        ) : undefined}
       </Hovertip>
     )
   }

src/views/flamechart-wrapper.tsx

@@ -41,13 +41,19 @@ export class FlamechartWrapper extends StatelessComponent<FlamechartViewProps> {
     const {width, height, left, top} = this.container.getBoundingClientRect()
     const offset = new Vec2(hover.event.clientX - left, hover.event.clientY - top)
     const style = getStyle(this.props.theme)
+    const frame = hover.node.frame
 
     return (
       <Hovertip containerSize={new Vec2(width, height)} offset={offset}>
         <span className={css(style.hoverCount)}>
           {this.formatValue(hover.node.getTotalWeight())}
         </span>{' '}
-        {hover.node.frame.name}
+        {frame.name}
+        {frame.file ? (
+          <div>
+            {frame.file}:{frame.line}
+          </div>
+        ) : undefined}
       </Hovertip>
     )
   }