Remove some dead code from inspector/

Source/core/inspector/InspectorDOMDebuggerAgent.cpp

 /*
  * Copyright (C) 2011 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 122 matching lines @@
 {
     disable();
 }
 
 void InspectorDOMDebuggerAgent::discardAgent()
 {
     m_debuggerAgent->setListener(0);
     m_debuggerAgent = 0;
 }
 
-void InspectorDOMDebuggerAgent::discardBindings()
-{
-    m_domBreakpoints.clear();
-}
-
 void InspectorDOMDebuggerAgent::setEventListenerBreakpoint(ErrorString* error, const String& eventName)
 {
     setBreakpoint(error, String(listenerEventCategoryType) + eventName);
 }
 
 void InspectorDOMDebuggerAgent::setInstrumentationBreakpoint(ErrorString* error, const String& eventName)
 {
     setBreakpoint(error, String(instrumentationEventCategoryType) + eventName);
 }
 
@@ skipping 359 matching lines @@
 }
 
 void InspectorDOMDebuggerAgent::clear()
 {
     m_domBreakpoints.clear();
     m_pauseInNextEventListener = false;
 }
 
 } // namespace WebCore