DevTools: reduce ResourceAgent dependency on PageAgent.

Source/core/inspector/InspectorDebuggerAgent.h

Index: Source/core/inspector/InspectorDebuggerAgent.h
diff --git a/Source/core/inspector/InspectorDebuggerAgent.h b/Source/core/inspector/InspectorDebuggerAgent.h
index 6024504285899ec627437c267824a26d6a34dccf..a1b6569194b662808ef4adb1b3584f6a30198ad4 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.h
+++ b/Source/core/inspector/InspectorDebuggerAgent.h
@@ -48,6 +48,7 @@
 namespace blink {
 
 class Document;
+class EditedResourcesContentManager;
 class Event;
 class EventListener;
 class EventTarget;
@@ -196,7 +197,7 @@ public:
     PassRefPtrWillBeRawPtr<ScriptAsyncCallStack> currentAsyncStackTraceForConsole();
 
 protected:
-    explicit InspectorDebuggerAgent(InjectedScriptManager*);
+    explicit InspectorDebuggerAgent(InjectedScriptManager*, EditedResourcesContentManager*);
 
     virtual void startListeningScriptDebugServer() = 0;
     virtual void stopListeningScriptDebugServer() = 0;
@@ -244,6 +245,7 @@ private:
     typedef HashMap<String, std::pair<String, BreakpointSource> > DebugServerBreakpointToBreakpointIdAndSourceMap;
 
     RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
+    RawPtrWillBeMember<EditedResourcesContentManager> m_editedResourcesContentManager;
     InspectorFrontend::Debugger* m_frontend;
     RefPtr<ScriptState> m_pausedScriptState;
     ScriptValue m_currentCallStack;