[DevTools] Reverse dependencies between InspectorOverlay and agents.

Source/core/inspector/InspectorProfilerAgent.h

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 30 matching lines @@
 
 namespace v8 {
 class CpuProfile;
 }
 
 namespace blink {
 
 class ExecutionContext;
 class InjectedScriptManager;
 class InspectorFrontend;
-class InspectorOverlay;
 
 typedef String ErrorString;
 
 class CORE_EXPORT InspectorProfilerAgent final : public InspectorBaseAgent<InspectorProfilerAgent, InspectorFrontend::Profiler>, public InspectorBackendDispatcher::ProfilerCommandHandler {
     WTF_MAKE_NONCOPYABLE(InspectorProfilerAgent);
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(InspectorProfilerAgent);
 public:
-    static PassOwnPtrWillBeRawPtr<InspectorProfilerAgent> create(v8::Isolate*, InjectedScriptManager*, InspectorOverlay*);
+    class Client {
+    public:
+        virtual ~Client() { }
+        virtual void profilingStarted() { }
+        virtual void profilingStopped() { }
+    };
+
+    static PassOwnPtrWillBeRawPtr<InspectorProfilerAgent> create(v8::Isolate*, InjectedScriptManager*, Client*);
     ~InspectorProfilerAgent() override;
     DECLARE_VIRTUAL_TRACE();
 
     void consoleProfile(ExecutionContext*, const String& title);
     void consoleProfileEnd(const String& title);
 
     void enable(ErrorString*) override;
     void setSamplingInterval(ErrorString*, int) override;
     void start(ErrorString*) override;
     void stop(ErrorString*, RefPtr<TypeBuilder::Profiler::CPUProfile>&) override;
 
     void disable(ErrorString*) override;
     void restore() override;
 
     void willProcessTask();
     void didProcessTask();
     void willEnterNestedRunLoop();
     void didLeaveNestedRunLoop();
 
 private:
-    InspectorProfilerAgent(v8::Isolate*, InjectedScriptManager*, InspectorOverlay*);
+    InspectorProfilerAgent(v8::Isolate*, InjectedScriptManager*, Client*);
     bool enabled();
     void doEnable();
     void stop(ErrorString*, RefPtr<TypeBuilder::Profiler::CPUProfile>*);
     String nextProfileId();
 
     void startProfiling(const String& title);
     PassRefPtr<TypeBuilder::Profiler::CPUProfile> stopProfiling(const String& title, bool serialize);
 
     bool isRecording() const;
     void idleStarted();
     void idleFinished();
 
     v8::Isolate* m_isolate;
     RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
     bool m_recordingCPUProfile;
     class ProfileDescriptor;
     Vector<ProfileDescriptor> m_startedProfiles;
     String m_frontendInitiatedProfileId;
-    RawPtrWillBeMember<InspectorOverlay> m_overlay;
+    Client* m_client;
 };
 
 } // namespace blink
 
 
 #endif // !defined(InspectorProfilerAgent_h)