Support re-reading scope variables in protocol and on backed.

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 d34cff04f84aeabf20edbc213f6a9ff807a65c22..8d54323b43771b50aa8b554217879b232ada8f39 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.h
+++ b/Source/core/inspector/InspectorDebuggerAgent.h
@@ -117,6 +117,7 @@ public:
     void runScript(ErrorString*, const TypeBuilder::Debugger::ScriptId&, const int* executionContextId, const String* objectGroup, const bool* doNotPauseOnExceptionsAndMuteConsole, RefPtr<TypeBuilder::Runtime::RemoteObject>& result, TypeBuilder::OptOutput<bool>* wasThrown);
     virtual void setOverlayMessage(ErrorString*, const String*);
     virtual void setVariableValue(ErrorString*, int in_scopeNumber, const String& in_variableName, const RefPtr<JSONObject>& in_newValue, const String* in_callFrame, const String* in_functionObjectId);
+    virtual void updateCallFrameScopes(ErrorString*, const WTF::String& callFrameId, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::Scope> >& scopeChain);
 
     void schedulePauseOnNextStatement(InspectorFrontend::Debugger::Reason::Enum breakReason, PassRefPtr<JSONObject> data);
     void didFireTimer();