[DevTools] Rework idle{Started,Finished} instrumentation.

third_party/WebKit/Source/platform/v8_inspector/V8DebuggerImpl.h

 /*
  * Copyright (c) 2010, 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 94 matching lines @@
     v8::Local<v8::Script> compileInternalScript(v8::Local<v8::Context>, v8::Local<v8::String>, const String16& fileName);
     v8::Local<v8::Context> regexContext();
 
     // V8Debugger implementation
     PassOwnPtr<V8InspectorSession> connect(int contextGroupId) override;
     void contextCreated(const V8ContextInfo&) override;
     void contextDestroyed(v8::Local<v8::Context>) override;
     void resetContextGroup(int contextGroupId) override;
     void willExecuteScript(v8::Local<v8::Context>, int scriptId) override;
     void didExecuteScript(v8::Local<v8::Context>) override;
+    void idleStarted() override;
+    void idleFinished() override;
     PassOwnPtr<V8StackTrace> createStackTrace(v8::Local<v8::StackTrace>, size_t maxStackSize) override;
     PassOwnPtr<V8StackTrace> captureStackTrace(size_t maxStackSize) override;
 
     using ContextByIdMap = protocol::HashMap<int, OwnPtr<InspectedContext>>;
     void discardInspectedContext(int contextGroupId, int contextId);
     const ContextByIdMap* contextGroup(int contextGroupId);
     void disconnect(V8InspectorSessionImpl*);
     V8InspectorSessionImpl* sessionForContextGroup(int contextGroupId);
 
     v8::MaybeLocal<v8::FunctionTemplate> functionTemplate(const String16& name);
@@ skipping 38 matching lines @@
     bool m_runningNestedMessageLoop;
     v8::Global<v8::Context> m_regexContext;
     using FunctionTemplateMap = protocol::HashMap<String16, OwnPtr<v8::Global<v8::FunctionTemplate>>>;
     FunctionTemplateMap m_templates;
 };
 
 } // namespace blink
 
 
 #endif // V8DebuggerImpl_h