[DevTools] Report unhandled exceptions and promise rejections through Runtime.

third_party/WebKit/Source/core/inspector/MainThreadDebugger.h

 /*
  * Copyright (c) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "core/inspector/InspectorTaskRunner.h"
 #include "core/inspector/ThreadDebugger.h"
 #include "platform/heap/Handle.h"
 #include <memory>
 #include <v8.h>
 
 namespace blink {
 
 class LocalFrame;
 class SecurityOrigin;
+class SourceLocation;
 
 class CORE_EXPORT MainThreadDebugger final : public ThreadDebugger {
     WTF_MAKE_NONCOPYABLE(MainThreadDebugger);
 public:
     class ClientMessageLoop {
         USING_FAST_MALLOC(ClientMessageLoop);
     public:
         virtual ~ClientMessageLoop() { }
         virtual void run(LocalFrame*) = 0;
         virtual void quitNow() = 0;
     };
 
     explicit MainThreadDebugger(v8::Isolate*);
     ~MainThreadDebugger() override;
 
     static MainThreadDebugger* instance();
     static void interruptMainThreadAndRun(std::unique_ptr<InspectorTaskRunner::Task>);
 
     InspectorTaskRunner* taskRunner() const { return m_taskRunner.get(); }
     bool isWorker() override { return false; }
     void setClientMessageLoop(std::unique_ptr<ClientMessageLoop>);
+    // TODO(dgozman): by making this method virtual, we can move many methods to ThreadDebugger and avoid some duplication. Should be careful about performance.
     int contextGroupId(LocalFrame*);
     void didClearContextsForFrame(LocalFrame*);
     void contextCreated(ScriptState*, LocalFrame*, SecurityOrigin*);
     void contextWillBeDestroyed(ScriptState*);
+    void exceptionThrown(LocalFrame*, const String& errorMessage, std::unique_ptr<SourceLocation>);
 
     void installAdditionalCommandLineAPI(v8::Local<v8::Context>, v8::Local<v8::Object>) override;
 
     v8::MaybeLocal<v8::Value> memoryInfo(v8::Isolate*, v8::Local<v8::Context>) override;
     void messageAddedToConsole(int contextGroupId, MessageSource, MessageLevel, const String16& message, const String16& url, unsigned lineNumber, unsigned columnNumber, V8StackTrace*) override;
 
 private:
     // V8DebuggerClient implementation.
     void runMessageLoopOnPause(int contextGroupId) override;
     void quitMessageLoopOnPause() override;
     void muteWarningsAndDeprecations() override;
     void unmuteWarningsAndDeprecations() override;
     bool callingContextCanAccessContext(v8::Local<v8::Context> calling, v8::Local<v8::Context> target) override;
     v8::Local<v8::Context> ensureDefaultContextInGroup(int contextGroupId) override;
 
     std::unique_ptr<ClientMessageLoop> m_clientMessageLoop;
     std::unique_ptr<InspectorTaskRunner> m_taskRunner;
 
     static MainThreadDebugger* s_instance;
 
     static void querySelectorCallback(const v8::FunctionCallbackInfo<v8::Value>&);
     static void querySelectorAllCallback(const v8::FunctionCallbackInfo<v8::Value>&);
     static void xpathSelectorCallback(const v8::FunctionCallbackInfo<v8::Value>&);
 };
 
 } // namespace blink
 
 
 #endif // MainThreadDebugger_h