DevTools: introduce protocol::Value, baseline for hierarchical data in remote debugging protocol.

third_party/WebKit/Source/platform/v8_inspector/V8ProfilerAgentImpl.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8ProfilerAgentImpl_h
 #define V8ProfilerAgentImpl_h
 
 #include "platform/inspector_protocol/Frontend.h"
 #include "platform/v8_inspector/public/V8ProfilerAgent.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/WTFString.h"
 
 namespace v8 {
 class Isolate;
 }
 
 namespace blink {
 
 class V8DebuggerImpl;
 
 class V8ProfilerAgentImpl : public V8ProfilerAgent {
     WTF_MAKE_NONCOPYABLE(V8ProfilerAgentImpl);
 public:
     explicit V8ProfilerAgentImpl(V8Debugger*);
     ~V8ProfilerAgentImpl() override;
 
-    void setInspectorState(PassRefPtr<JSONObject> state) override { m_state = state; }
+    void setInspectorState(PassRefPtr<protocol::DictionaryValue> state) override { m_state = state; }
     void setFrontend(protocol::Frontend::Profiler* frontend) override { m_frontend = frontend; }
     void clearFrontend() override;
     void restore() override;
 
     void enable(ErrorString*) override;
     void disable(ErrorString*) override;
     void setSamplingInterval(ErrorString*, int) override;
     void start(ErrorString*) override;
     void stop(ErrorString*, OwnPtr<protocol::Profiler::CPUProfile>*) override;
 
     void consoleProfile(const String& title) override;
     void consoleProfileEnd(const String& title) override;
 
     void idleStarted();
     void idleFinished();
 
 private:
     String nextProfileId();
 
     void startProfiling(const String& title);
     PassOwnPtr<protocol::Profiler::CPUProfile> stopProfiling(const String& title, bool serialize);
 
     bool isRecording() const;
 
     V8DebuggerImpl* m_debugger;
     v8::Isolate* m_isolate;
-    RefPtr<JSONObject> m_state;
+    RefPtr<protocol::DictionaryValue> m_state;
     protocol::Frontend::Profiler* m_frontend;
     bool m_enabled;
     bool m_recordingCPUProfile;
     class ProfileDescriptor;
     Vector<ProfileDescriptor> m_startedProfiles;
     String m_frontendInitiatedProfileId;
 };
 
 } // namespace blink
 
 
 #endif // !defined(V8ProfilerAgentImpl_h)