Ladybird: Move Qt-specific classes and functions to a Qt subdirectory

This will help a lot with developing chromes for different UI frameworks
where we can see which helper classes and processes are really using Qt
vs just using it to get at helper data.

As a bonus, remove Qt dependency from WebDriver.

Ladybird/CMakeLists.txt

@@ -81,22 +81,23 @@ set(SOURCES
     ${BROWSER_SOURCE_DIR}/CookieJar.cpp
     ${BROWSER_SOURCE_DIR}/Database.cpp
     ${BROWSER_SOURCE_DIR}/History.cpp
-    BrowserWindow.cpp
-    ConsoleWidget.cpp
-    EventLoopImplementationQt.cpp
-    EventLoopImplementationQtEventTarget.cpp
     HelperProcess.cpp
-    InspectorWidget.cpp
-    LocationEdit.cpp
-    ModelTranslator.cpp
-    Settings.cpp
-    SettingsDialog.cpp
-    Tab.cpp
-    TVGIconEngine.cpp
     Utilities.cpp
-    WebContentView.cpp
-    ladybird.qrc
-    main.cpp
+    Qt/BrowserWindow.cpp
+    Qt/ConsoleWidget.cpp
+    Qt/EventLoopImplementationQt.cpp
+    Qt/EventLoopImplementationQtEventTarget.cpp
+    Qt/InspectorWidget.cpp
+    Qt/LocationEdit.cpp
+    Qt/ModelTranslator.cpp
+    Qt/Settings.cpp
+    Qt/SettingsDialog.cpp
+    Qt/Tab.cpp
+    Qt/TVGIconEngine.cpp
+    Qt/StringUtils.cpp
+    Qt/WebContentView.cpp
+    Qt/ladybird.qrc
+    Qt/main.cpp
 )
 
 qt_add_executable(ladybird ${SOURCES})
@@ -107,14 +108,14 @@ target_include_directories(ladybird PRIVATE ${SERENITY_SOURCE_DIR}/Userland/)
 target_include_directories(ladybird PRIVATE ${SERENITY_SOURCE_DIR}/Userland/Applications/)
 target_include_directories(ladybird PRIVATE ${SERENITY_SOURCE_DIR}/Userland/Services/)
 
-qt_add_executable(headless-browser
+add_executable(headless-browser
     ${SERENITY_SOURCE_DIR}/Userland/Utilities/headless-browser.cpp
     ${SERENITY_SOURCE_DIR}/Userland/Services/WebContent/WebDriverConnection.cpp
     HelperProcess.cpp
     Utilities.cpp)
 
 target_include_directories(headless-browser PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
-target_link_libraries(headless-browser PRIVATE Qt::Core LibWeb LibWebView LibWebSocket LibCrypto LibFileSystem LibGemini LibHTTP LibJS LibGfx LibMain LibTLS LibIPC LibDiff LibProtocol)
+target_link_libraries(headless-browser PRIVATE LibWeb LibWebView LibWebSocket LibCrypto LibFileSystem LibGemini LibHTTP LibJS LibGfx LibMain LibTLS LibIPC LibDiff LibProtocol)
 
 set_target_properties(ladybird PROPERTIES
     MACOSX_BUNDLE_GUI_IDENTIFIER org.SerenityOS.Ladybird

Ladybird/Qt/BrowserWindow.cpp

@@ -11,10 +11,11 @@
 #include "ConsoleWidget.h"
 #include "Settings.h"
 #include "SettingsDialog.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include "WebContentView.h"
 #include <AK/TypeCasts.h>
 #include <Browser/CookieJar.h>
+#include <Ladybird/Utilities.h>
 #include <LibWeb/CSS/PreferredColorScheme.h>
 #include <LibWeb/Loader/ResourceLoader.h>
 #include <QAction>
@@ -25,8 +26,6 @@
 #include <QPlainTextEdit>
 #include <QTabBar>
 
-extern DeprecatedString s_serenity_resource_root;
-
 namespace Ladybird {
 extern Settings* s_settings;
 

Ladybird/Qt/ConsoleWidget.cpp

@@ -8,7 +8,7 @@
  */
 
 #include "ConsoleWidget.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include "WebContentView.h"
 #include <AK/StringBuilder.h>
 #include <LibJS/MarkupGenerator.h>

Ladybird/Qt/LocationEdit.cpp

@@ -5,7 +5,7 @@
  */
 
 #include "LocationEdit.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include <AK/URL.h>
 #include <QCoreApplication>
 #include <QPalette>

Ladybird/Qt/ModelTranslator.cpp

@@ -5,7 +5,7 @@
  */
 
 #include "ModelTranslator.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include <QIcon>
 
 namespace Ladybird {

Ladybird/Qt/Settings.cpp

@@ -5,9 +5,10 @@
  */
 
 #include "Settings.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include <AK/URL.h>
 #include <BrowserSettings/Defaults.h>
+#include <Ladybird/Utilities.h>
 
 namespace Ladybird {
 

Ladybird/Qt/StringUtils.cpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "StringUtils.h"
+
+AK::DeprecatedString ak_deprecated_string_from_qstring(QString const& qstring)
+{
+    return AK::DeprecatedString(qstring.toUtf8().data());
+}
+
+ErrorOr<String> ak_string_from_qstring(QString const& qstring)
+{
+    return String::from_utf8(StringView(qstring.toUtf8().data(), qstring.size()));
+}
+
+QString qstring_from_ak_deprecated_string(AK::DeprecatedString const& ak_deprecated_string)
+{
+    return QString::fromUtf8(ak_deprecated_string.characters(), ak_deprecated_string.length());
+}
+
+QString qstring_from_ak_string(String const& ak_string)
+{
+    auto view = ak_string.bytes_as_string_view();
+    return QString::fromUtf8(view.characters_without_null_termination(), view.length());
+}

Ladybird/Qt/StringUtils.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/DeprecatedString.h>
+#include <AK/Error.h>
+#include <AK/String.h>
+#include <QString>
+
+AK::DeprecatedString ak_deprecated_string_from_qstring(QString const&);
+ErrorOr<String> ak_string_from_qstring(QString const&);
+QString qstring_from_ak_deprecated_string(AK::DeprecatedString const&);
+QString qstring_from_ak_string(String const&);

Ladybird/Qt/TVGIconEngine.cpp

@@ -5,7 +5,7 @@
  */
 
 #include "TVGIconEngine.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include <AK/MemoryStream.h>
 #include <AK/String.h>
 #include <LibGfx/Painter.h>

Ladybird/Qt/Tab.cpp

@@ -9,8 +9,8 @@
 #include "ConsoleWidget.h"
 #include "InspectorWidget.h"
 #include "Settings.h"
+#include "StringUtils.h"
 #include "TVGIconEngine.h"
-#include "Utilities.h"
 #include <Browser/History.h>
 #include <LibGfx/ImageFormats/BMPWriter.h>
 #include <LibGfx/Painter.h>

Ladybird/Qt/WebContentView.cpp

@@ -6,8 +6,7 @@
  */
 
 #include "WebContentView.h"
-#include "HelperProcess.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include <AK/Assertions.h>
 #include <AK/ByteBuffer.h>
 #include <AK/Format.h>
@@ -17,6 +16,8 @@
 #include <AK/StringBuilder.h>
 #include <AK/Types.h>
 #include <Kernel/API/KeyCode.h>
+#include <Ladybird/HelperProcess.h>
+#include <Ladybird/Utilities.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/System.h>

Ladybird/Qt/WebContentView.h

@@ -7,12 +7,12 @@
 
 #pragma once
 
-#include "Types.h"
 #include <AK/DeprecatedString.h>
 #include <AK/Function.h>
 #include <AK/HashMap.h>
 #include <AK/OwnPtr.h>
 #include <AK/URL.h>
+#include <Ladybird/Types.h>
 #include <LibGfx/Forward.h>
 #include <LibGfx/Rect.h>
 #include <LibGfx/StandardCursor.h>

Ladybird/Qt/WebSocketImplQt.cpp

@@ -8,7 +8,7 @@
  */
 
 #include "WebSocketImplQt.h"
-#include "Utilities.h"
+#include "StringUtils.h"
 #include <LibCore/EventLoop.h>
 #include <QSslSocket>
 #include <QTcpSocket>

Ladybird/Qt/ladybird.qrc

@@ -0,0 +1,8 @@
+<!DOCTYPE RCC><RCC version="1.0">
+    <qresource>
+        <file>../Icons/ladybird.png</file>
+        <file>../Icons/back.tvg</file>
+        <file>../Icons/forward.tvg</file>
+        <file>../Icons/reload.tvg</file>
+    </qresource>
+</RCC>

Ladybird/Qt/main.cpp

@@ -6,13 +6,13 @@
 
 #include "BrowserWindow.h"
 #include "EventLoopImplementationQt.h"
-#include "HelperProcess.h"
 #include "Settings.h"
-#include "Utilities.h"
 #include "WebContentView.h"
 #include <AK/OwnPtr.h>
 #include <Browser/CookieJar.h>
 #include <Browser/Database.h>
+#include <Ladybird/HelperProcess.h>
+#include <Ladybird/Utilities.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
 #include <LibCore/Process.h>

Ladybird/Utilities.cpp

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -7,30 +8,16 @@
 #include "Utilities.h"
 #include <AK/LexicalPath.h>
 #include <AK/Platform.h>
+#include <LibCore/System.h>
 #include <LibFileSystem/FileSystem.h>
-#include <QCoreApplication>
 
 DeprecatedString s_serenity_resource_root;
 
-AK::DeprecatedString ak_deprecated_string_from_qstring(QString const& qstring)
+ErrorOr<String> application_directory()
 {
-    return AK::DeprecatedString(qstring.toUtf8().data());
-}
-
-ErrorOr<String> ak_string_from_qstring(QString const& qstring)
-{
-    return String::from_utf8(StringView(qstring.toUtf8().data(), qstring.size()));
-}
-
-QString qstring_from_ak_deprecated_string(AK::DeprecatedString const& ak_deprecated_string)
-{
-    return QString::fromUtf8(ak_deprecated_string.characters(), ak_deprecated_string.length());
-}
-
-QString qstring_from_ak_string(String const& ak_string)
-{
-    auto view = ak_string.bytes_as_string_view();
-    return QString::fromUtf8(view.characters_without_null_termination(), view.length());
+    auto current_executable_path = TRY(Core::System::current_executable_path());
+    auto dirname = LexicalPath::dirname(current_executable_path.to_deprecated_string());
+    return String::from_deprecated_string(dirname);
 }
 
 void platform_init()
@@ -49,7 +36,7 @@ void platform_init()
         auto home_lagom = DeprecatedString::formatted("{}/.lagom", home);
         if (FileSystem::is_directory(home_lagom))
             return home_lagom;
-        auto app_dir = ak_deprecated_string_from_qstring(QCoreApplication::applicationDirPath());
+        auto app_dir = application_directory().release_value_but_fixme_should_propagate_errors().to_deprecated_string();
 #    ifdef AK_OS_MACOS
         return LexicalPath(app_dir).parent().append("Resources"sv).string();
 #    else
@@ -61,11 +48,9 @@ void platform_init()
 
 ErrorOr<Vector<String>> get_paths_for_helper_process(StringView process_name)
 {
-    auto application_path = TRY(ak_string_from_qstring(QCoreApplication::applicationDirPath()));
+    auto application_path = TRY(application_directory());
     Vector<String> paths;
 
-    TRY(paths.try_append(TRY(String::formatted("./{}/{}", process_name, process_name))));
-    TRY(paths.try_append(TRY(String::formatted("{}/{}/{}", application_path, process_name, process_name))));
     TRY(paths.try_append(TRY(String::formatted("{}/{}", application_path, process_name))));
     TRY(paths.try_append(TRY(String::formatted("./{}", process_name))));
     // NOTE: Add platform-specific paths here

Ladybird/Utilities.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -10,13 +11,9 @@
 #include <AK/Error.h>
 #include <AK/String.h>
 #include <AK/Vector.h>
-#include <QString>
 
-AK::DeprecatedString ak_deprecated_string_from_qstring(QString const&);
-ErrorOr<String> ak_string_from_qstring(QString const&);
-QString qstring_from_ak_deprecated_string(AK::DeprecatedString const&);
-QString qstring_from_ak_string(String const&);
 void platform_init();
+ErrorOr<String> application_directory();
 ErrorOr<Vector<String>> get_paths_for_helper_process(StringView process_name);
 
 extern DeprecatedString s_serenity_resource_root;

Ladybird/WebContent/CMakeLists.txt

@@ -6,18 +6,19 @@ set(WEBCONTENT_SOURCES
     ${WEBCONTENT_SOURCE_DIR}/PageHost.cpp
     ${WEBCONTENT_SOURCE_DIR}/WebContentConsoleClient.cpp
     ${WEBCONTENT_SOURCE_DIR}/WebDriverConnection.cpp
-    ../AudioCodecPluginQt.cpp
-    ../AudioThread.cpp
-    ../EventLoopImplementationQt.cpp
-    ../EventLoopImplementationQtEventTarget.cpp
     ../FontPlugin.cpp
     ../HelperProcess.cpp
     ../ImageCodecPlugin.cpp
-    ../RequestManagerQt.cpp
     ../Utilities.cpp
-    ../WebSocketClientManagerQt.cpp
-    ../WebSocketQt.cpp
-    ../WebSocketImplQt.cpp
+    ../Qt/AudioCodecPluginQt.cpp
+    ../Qt/AudioThread.cpp
+    ../Qt/EventLoopImplementationQt.cpp
+    ../Qt/EventLoopImplementationQtEventTarget.cpp
+    ../Qt/RequestManagerQt.cpp
+    ../Qt/StringUtils.cpp
+    ../Qt/WebSocketClientManagerQt.cpp
+    ../Qt/WebSocketQt.cpp
+    ../Qt/WebSocketImplQt.cpp
     main.cpp
 )
 

Ladybird/WebContent/main.cpp

@@ -4,15 +4,15 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include "../AudioCodecPluginQt.h"
-#include "../EventLoopImplementationQt.h"
-#include "../FontPlugin.h"
-#include "../HelperProcess.h"
-#include "../ImageCodecPlugin.h"
-#include "../RequestManagerQt.h"
-#include "../Utilities.h"
-#include "../WebSocketClientManagerQt.h"
 #include <AK/LexicalPath.h>
+#include <Ladybird/FontPlugin.h>
+#include <Ladybird/HelperProcess.h>
+#include <Ladybird/ImageCodecPlugin.h>
+#include <Ladybird/Qt/AudioCodecPluginQt.h>
+#include <Ladybird/Qt/EventLoopImplementationQt.h>
+#include <Ladybird/Qt/RequestManagerQt.h>
+#include <Ladybird/Qt/WebSocketClientManagerQt.h>
+#include <Ladybird/Utilities.h>
 #include <LibAudio/Loader.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
@@ -41,8 +41,6 @@
 static ErrorOr<void> load_content_filters();
 static ErrorOr<void> load_autoplay_allowlist();
 
-extern DeprecatedString s_serenity_resource_root;
-
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
     QCoreApplication app(arguments.argc, arguments.argv);

Ladybird/WebDriver/CMakeLists.txt

@@ -8,13 +8,13 @@ set(SOURCES
     main.cpp
 )
 
-qt_add_executable(WebDriver ${SOURCES})
+add_executable(WebDriver ${SOURCES})
 
 target_include_directories(WebDriver PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
 target_include_directories(WebDriver PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/..)
 target_include_directories(WebDriver PRIVATE ${SERENITY_SOURCE_DIR}/Userland)
 target_include_directories(WebDriver PRIVATE ${SERENITY_SOURCE_DIR}/Userland/Services)
-target_link_libraries(WebDriver PRIVATE Qt::Core Qt::Network LibCore LibFileSystem LibGfx LibIPC LibJS LibMain LibWeb LibWebSocket)
+target_link_libraries(WebDriver PRIVATE LibCore LibFileSystem LibGfx LibIPC LibJS LibMain LibWeb LibWebSocket)
 add_dependencies(WebDriver headless-browser)
 if (ANDROID)
     link_android_libs(WebDriver)

Ladybird/WebDriver/main.cpp

@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include "../Utilities.h"
 #include <AK/Platform.h>
+#include <Ladybird/Utilities.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/Directory.h>
 #include <LibCore/EventLoop.h>
@@ -14,11 +14,8 @@
 #include <LibCore/System.h>
 #include <LibCore/TCPServer.h>
 #include <LibMain/Main.h>
-#include <QCoreApplication>
 #include <WebDriver/Client.h>
 
-extern DeprecatedString s_serenity_resource_root;
-
 static ErrorOr<pid_t> launch_process(StringView application, ReadonlySpan<char const*> arguments)
 {
     auto paths = TRY(get_paths_for_helper_process(application));
@@ -57,9 +54,6 @@ static ErrorOr<pid_t> launch_headless_browser(DeprecatedString const& socket_pat
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    // Note: only creating this to get access to its static methods in Utilities
-    QCoreApplication application(arguments.argc, arguments.argv);
-
     auto listen_address = "0.0.0.0"sv;
     int port = 8000;
 

Ladybird/ladybird.qrc

@@ -1,8 +0,0 @@
-<!DOCTYPE RCC><RCC version="1.0">
-    <qresource>
-        <file>Icons/ladybird.png</file>
-        <file>Icons/back.tvg</file>
-        <file>Icons/forward.tvg</file>
-        <file>Icons/reload.tvg</file>
-    </qresource>
-</RCC>

Meta/gn/secondary/Ladybird/BUILD.gn

@@ -12,20 +12,20 @@ group("ladybird") {
 
 moc_qt_objects("generate_moc") {
   sources = [
-    "BrowserWindow.h",
-    "ConsoleWidget.h",
-    "EventLoopImplementationQtEventTarget.h",
-    "InspectorWidget.h",
-    "LocationEdit.h",
-    "ModelTranslator.h",
-    "SettingsDialog.h",
-    "Tab.h",
-    "WebContentView.h",
+    "Qt/BrowserWindow.h",
+    "Qt/ConsoleWidget.h",
+    "Qt/EventLoopImplementationQtEventTarget.h",
+    "Qt/InspectorWidget.h",
+    "Qt/LocationEdit.h",
+    "Qt/ModelTranslator.h",
+    "Qt/SettingsDialog.h",
+    "Qt/Tab.h",
+    "Qt/WebContentView.h",
   ]
 }
 
 compile_qt_resource_file("compile_resource_file") {
-  sources = [ "ladybird.qrc" ]
+  sources = [ "Qt/ladybird.qrc" ]
 }
 
 link_qt("ladybird_qt_components") {
@@ -79,21 +79,22 @@ executable("ladybird_executable") {
     "//Userland/Applications/Browser/CookieJar.cpp",
     "//Userland/Applications/Browser/Database.cpp",
     "//Userland/Applications/Browser/History.cpp",
-    "BrowserWindow.cpp",
-    "ConsoleWidget.cpp",
-    "EventLoopImplementationQt.cpp",
-    "EventLoopImplementationQtEventTarget.cpp",
     "HelperProcess.cpp",
-    "InspectorWidget.cpp",
-    "LocationEdit.cpp",
-    "ModelTranslator.cpp",
-    "Settings.cpp",
-    "SettingsDialog.cpp",
-    "TVGIconEngine.cpp",
-    "Tab.cpp",
+    "Qt/BrowserWindow.cpp",
+    "Qt/ConsoleWidget.cpp",
+    "Qt/EventLoopImplementationQt.cpp",
+    "Qt/EventLoopImplementationQtEventTarget.cpp",
+    "Qt/InspectorWidget.cpp",
+    "Qt/LocationEdit.cpp",
+    "Qt/ModelTranslator.cpp",
+    "Qt/Settings.cpp",
+    "Qt/SettingsDialog.cpp",
+    "Qt/StringUtils.cpp",
+    "Qt/TVGIconEngine.cpp",
+    "Qt/Tab.cpp",
+    "Qt/WebContentView.cpp",
+    "Qt/main.cpp",
     "Utilities.cpp",
-    "WebContentView.cpp",
-    "main.cpp",
   ]
   sources += get_target_outputs(":generate_moc") +
              get_target_outputs(":compile_resource_file")
@@ -103,16 +104,9 @@ executable("ladybird_executable") {
   output_name = "ladybird"
 }
 
-link_qt("headless_browser_qt") {
-  qt_components = [ "Core" ]
-}
-
 executable("headless-browser") {
   include_dirs = [ "//Userland/Services" ]
-  configs += [
-    ":ladybird_config",
-    ":headless_browser_qt",
-  ]
+  configs += [ ":ladybird_config" ]
   deps = [
     "//Userland/Libraries/LibCore",
     "//Userland/Libraries/LibCrypto",

Meta/gn/secondary/Ladybird/WebContent/BUILD.gn

@@ -4,10 +4,10 @@ import("//Meta/gn/build/libs/pulse/enable.gni")
 
 moc_qt_objects("generate_moc") {
   sources = [
-    "//Ladybird/AudioCodecPluginQt.h",
-    "//Ladybird/AudioThread.h",
-    "//Ladybird/EventLoopImplementationQtEventTarget.h",
-    "//Ladybird/RequestManagerQt.h",
+    "//Ladybird/Qt/AudioCodecPluginQt.h",
+    "//Ladybird/Qt/AudioThread.h",
+    "//Ladybird/Qt/EventLoopImplementationQtEventTarget.h",
+    "//Ladybird/Qt/RequestManagerQt.h",
   ]
 }
 
@@ -48,18 +48,19 @@ executable("WebContent") {
     "//Userland/Libraries/LibWebView:WebDriverServerEndpoint",
   ]
   sources = [
-    "../AudioCodecPluginQt.cpp",
-    "../AudioThread.cpp",
-    "../EventLoopImplementationQt.cpp",
-    "../EventLoopImplementationQtEventTarget.cpp",
-    "../FontPlugin.cpp",
-    "../HelperProcess.cpp",
-    "../ImageCodecPlugin.cpp",
-    "../RequestManagerQt.cpp",
-    "../Utilities.cpp",
-    "../WebSocketClientManagerQt.cpp",
-    "../WebSocketImplQt.cpp",
-    "../WebSocketQt.cpp",
+    "//Ladybird/FontPlugin.cpp",
+    "//Ladybird/HelperProcess.cpp",
+    "//Ladybird/ImageCodecPlugin.cpp",
+    "//Ladybird/Qt/AudioCodecPluginQt.cpp",
+    "//Ladybird/Qt/AudioThread.cpp",
+    "//Ladybird/Qt/EventLoopImplementationQt.cpp",
+    "//Ladybird/Qt/EventLoopImplementationQtEventTarget.cpp",
+    "//Ladybird/Qt/RequestManagerQt.cpp",
+    "//Ladybird/Qt/StringUtils.cpp",
+    "//Ladybird/Qt/WebSocketClientManagerQt.cpp",
+    "//Ladybird/Qt/WebSocketImplQt.cpp",
+    "//Ladybird/Qt/WebSocketQt.cpp",
+    "//Ladybird/Utilities.cpp",
     "//Userland/Services/WebContent/ConnectionFromClient.cpp",
     "//Userland/Services/WebContent/ConsoleGlobalEnvironmentExtensions.cpp",
     "//Userland/Services/WebContent/PageHost.cpp",

Meta/gn/secondary/Ladybird/WebDriver/BUILD.gn

@@ -1,17 +1,7 @@
 import("//Ladybird/link_qt.gni")
 
-link_qt("WebDriver_qt") {
-  qt_components = [
-    "Core",
-    "Network",
-  ]
-}
-
 executable("WebDriver") {
-  configs += [
-    "//Ladybird:ladybird_config",
-    ":WebDriver_qt",
-  ]
+  configs += [ "//Ladybird:ladybird_config" ]
   include_dirs = [
     "//Userland/Services",
     "//Ladybird",
@@ -31,7 +21,7 @@ executable("WebDriver") {
     "//Userland/Libraries/LibWebView:WebDriverServerEndpoint",
   ]
   sources = [
-    "../Utilities.cpp",
+    "//Ladybird/Utilities.cpp",
     "//Userland/Services/WebDriver/Client.cpp",
     "//Userland/Services/WebDriver/Session.cpp",
     "//Userland/Services/WebDriver/WebContentConnection.cpp",

Userland/Utilities/headless-browser.cpp

@@ -43,7 +43,6 @@
 #if !defined(AK_OS_SERENITY)
 #    include <Ladybird/HelperProcess.h>
 #    include <Ladybird/Utilities.h>
-#    include <QCoreApplication>
 #endif
 
 class HeadlessWebContentView final : public WebView::ViewImplementation {
@@ -374,9 +373,6 @@ static ErrorOr<int> run_tests(HeadlessWebContentView& view, StringView test_root
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-#if !defined(AK_OS_SERENITY)
-    QCoreApplication app(arguments.argc, arguments.argv);
-#endif
     Core::EventLoop event_loop;
 
     int screenshot_timeout = 1;