Remove code that is unused after ContextMenu cleanup

Source/core/inspector/InspectorController.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 177 matching lines @@
     m_injectedScriptManager->disconnect();
     m_inspectorClient = 0;
     m_page = 0;
 }
 
 void InspectorController::setInspectorFrontendClient(PassOwnPtr<InspectorFrontendClient> inspectorFrontendClient)
 {
     m_inspectorFrontendClient = inspectorFrontendClient;
 }
 
-bool InspectorController::hasInspectorFrontendClient() const
-{
-    return m_inspectorFrontendClient;
-}
-
 void InspectorController::didClearWindowObjectInWorld(Frame* frame, DOMWrapperWorld* world)
 {
     if (world != mainThreadNormalWorld())
         return;
 
     // If the page is supposed to serve as InspectorFrontend notify inspector frontend
     // client that it's cleared so that the client can expose inspector bindings.
     if (m_inspectorFrontendClient && frame == m_page->mainFrame())
         m_inspectorFrontendClient->windowObjectCleared();
 }
@@ skipping 232 matching lines @@
 }
 
 HashMap<String, size_t> InspectorController::processMemoryDistribution() const
 {
     HashMap<String, size_t> memoryInfo;
     m_memoryAgent->getProcessMemoryDistributionMap(&memoryInfo);
     return memoryInfo;
 }
 
 } // namespace WebCore