DevTools: injected script per context(WebCore part)

inspector/InjectedScriptHost.h

Index: inspector/InjectedScriptHost.h
===================================================================
--- inspector/InjectedScriptHost.h	(revision 53180)
+++ inspector/InjectedScriptHost.h	(working copy)
@@ -66,8 +66,6 @@
 
     void copyText(const String& text);
     Node* nodeForId(long nodeId);
-    ScriptValue wrapObject(const ScriptValue& object, const String& objectGroup);
-    ScriptValue unwrapObject(const String& objectId);
     long pushNodePathToFrontend(Node* node, bool withChildren, bool selectInUI);
 
     void addNodesToSearchResult(const String& nodeIds);
@@ -88,12 +86,15 @@
     ScriptObject injectedScriptFor(ScriptState*);
     ScriptObject injectedScriptForId(long);
     void discardInjectedScripts();
+    void releaseWrapperObjectGroup(long injectedScriptId, const String& objectGroup);
 
 private:
     InjectedScriptHost(InspectorController* inspectorController);
     InspectorDOMAgent* inspectorDOMAgent();
     InspectorFrontend* inspectorFrontend();
 
+    void releaseWrapperObjectGroup(const ScriptObject& injectedScript, const String& objectGroup);
+
     InspectorController* m_inspectorController;
     String m_injectedScriptSource;
     long m_nextInjectedScriptId;