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

Source/core/inspector/JavaScriptCallFrame.h

 /*
  * Copyright (c) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 44 matching lines @@
     int column() const;
     String functionName() const;
 
     v8::Handle<v8::Value> scopeChain() const;
     int scopeType(int scopeIndex) const;
     v8::Handle<v8::Value> thisObject() const;
 
     v8::Handle<v8::Value> evaluate(const String& expression);
     v8::Handle<v8::Value> restart();
     v8::Handle<v8::Value> setVariableValue(int scopeNumber, const String& variableName, v8::Handle<v8::Value> newValue);
+    void rereadScopes();
 
 private:
     JavaScriptCallFrame(v8::Handle<v8::Context> debuggerContext, v8::Handle<v8::Object> callFrame);
 
     RefPtr<JavaScriptCallFrame> m_caller;
     ScopedPersistent<v8::Context> m_debuggerContext;
     ScopedPersistent<v8::Object> m_callFrame;
     v8::Isolate* m_isolate;
 };
 
 } // namespace WebCore
 
 
 #endif // JavaScriptCallFrame_h