Implement frame attribution (FrameBlamer)

third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h

 /*
  * Copyright (C) 2009 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef V8PerIsolateData_h
 #define V8PerIsolateData_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8HiddenValue.h"
 #include "bindings/core/v8/WrapperTypeInfo.h"
 #include "core/CoreExport.h"
 #include "gin/public/isolate_holder.h"
 #include "gin/public/v8_idle_task_runner.h"
+#include "public/platform/Platform.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
 #include <v8.h>
 
 namespace blink {
 
 class DOMDataStore;
 class ThreadDebugger;
 class StringCache;
 struct WrapperTypeInfo;
 
 typedef WTF::Vector<DOMDataStore*> DOMDataStoreList;
 
-class CORE_EXPORT V8PerIsolateData {
+class CORE_EXPORT V8PerIsolateData
+    : public Platform::TraceLogEnabledStateObserver {
     USING_FAST_MALLOC(V8PerIsolateData);
     WTF_MAKE_NONCOPYABLE(V8PerIsolateData);
 public:
     class EndOfScopeTask {
         USING_FAST_MALLOC(EndOfScopeTask);
     public:
         virtual ~EndOfScopeTask() { }
         virtual void run() = 0;
     };
 
@@ skipping 53 matching lines @@
     // to C++ from script, after executing a script task (e.g. callback,
     // event) or microtasks (e.g. promise). This is explicitly needed for
     // Indexed DB transactions per spec, but should in general be avoided.
     void addEndOfScopeTask(PassOwnPtr<EndOfScopeTask>);
     void runEndOfScopeTasks();
     void clearEndOfScopeTasks();
 
     void setThreadDebugger(PassOwnPtr<ThreadDebugger>);
     ThreadDebugger* threadDebugger();
 
+    // Platform::TraceLogEnabledStateObserver methods:
+    void onTraceLogEnabled() override;
+    void onTraceLogDisabled() override;
+
 private:
     V8PerIsolateData();
     ~V8PerIsolateData();
 
     typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate>> DOMTemplateMap;
     DOMTemplateMap& currentDOMTemplateMap();
     bool hasInstance(const WrapperTypeInfo* untrusted, v8::Local<v8::Value>, DOMTemplateMap&);
     v8::Local<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Local<v8::Value>, DOMTemplateMap&);
 
     bool m_destructionPending;
@@ skipping 17 matching lines @@
 #endif
     bool m_performingMicrotaskCheckpoint;
 
     Vector<OwnPtr<EndOfScopeTask>> m_endOfScopeTasks;
     OwnPtr<ThreadDebugger> m_threadDebugger;
 };
 
 } // namespace blink
 
 #endif // V8PerIsolateData_h