Refactor InspectorWebPerfAgent: update lifecycle management to be per Local Frame root; replace hea…

third_party/WebKit/Source/core/frame/LocalFrame.h

Index: third_party/WebKit/Source/core/frame/LocalFrame.h
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.h b/third_party/WebKit/Source/core/frame/LocalFrame.h
index 34d1eac94db71c280aa8bed481dcbfb8189c741f..e6bdd6d005a5c9f84b1f15a854ad4432454b544b 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.h
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.h
@@ -59,17 +59,20 @@ class FrameConsole;
 class FrameSelection;
 class FrameView;
 class InputMethodController;
+class InspectorWebPerfAgent;
+class InstrumentingAgents;
 class InterfaceProvider;
 class InterfaceRegistry;
 class IntPoint;
 class IntSize;
-class InstrumentingAgents;
+class JSONObject;
 class LayoutView;
 class LayoutViewItem;
 class LocalDOMWindow;
 class NavigationScheduler;
 class Node;
 class NodeTraversal;
+class Performance;
 template <typename Strategy>
 class PositionWithAffinityTemplate;
 class PluginData;
@@ -84,6 +87,8 @@ class CORE_EXPORT LocalFrame final : public Frame,
                                      public Supplementable<LocalFrame> {
   USING_GARBAGE_COLLECTED_MIXIN(LocalFrame);
 
+  friend class LocalFrameTest;
+
  public:
   static LocalFrame* create(FrameLoaderClient*,
                             FrameHost*,
@@ -161,6 +166,9 @@ class CORE_EXPORT LocalFrame final : public Frame,
     return m_instrumentingAgents.get();
   }
 
+  void enableInspectorWebPerfAgent(Performance*);
+  void disableInspectorWebPerfAgent(Performance*);
+
   // =========================================================================
   // All public functions below this point are candidates to move out of
   // LocalFrame into another class.
@@ -264,6 +272,7 @@ class CORE_EXPORT LocalFrame final : public Frame,
   bool m_inViewSourceMode;
 
   Member<InstrumentingAgents> m_instrumentingAgents;
+  Member<InspectorWebPerfAgent> m_inspectorWebPerfAgent;
 
   InterfaceProvider* const m_interfaceProvider;
   InterfaceRegistry* const m_interfaceRegistry;