[DevTools] Align Console implementation with The JSey way

third_party/WebKit/Source/platform/v8_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 46 matching lines @@
 
     v8::MaybeLocal<v8::Value> evaluate(v8::Local<v8::Value> expression);
     v8::MaybeLocal<v8::Value> restart();
     v8::MaybeLocal<v8::Value> setVariableValue(int scopeNumber, v8::Local<v8::Value> variableName, v8::Local<v8::Value> newValue);
 private:
     JavaScriptCallFrame(v8::Local<v8::Context> debuggerContext, v8::Local<v8::Object> callFrame);
 
     int callV8FunctionReturnInt(const char* name) const;
 
     v8::Isolate* m_isolate;
-    OwnPtr<JavaScriptCallFrame> m_caller;
     v8::Global<v8::Context> m_debuggerContext;
     v8::Global<v8::Object> m_callFrame;
-    v8::Global<v8::FunctionTemplate> m_wrapperTemplate;
 };
 
 using JavaScriptCallFrames = protocol::Vector<OwnPtr<JavaScriptCallFrame>>;
 
 } // namespace blink
 
 #endif // JavaScriptCallFrame_h