Merge 86551 - 2011-05-15 Robert Hogan <robert@webkit.org>

Source/WebCore/inspector/InspectorFrontendHost.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 218 matching lines @@
 String InspectorFrontendHost::loadSessionSetting(const String& key)
 {
     String value;
     if (m_client)
         m_client->loadSessionSetting(key, &value);
     return value;
 }
 
 void InspectorFrontendHost::sendMessageToBackend(const String& message)
 {
-    m_client->sendMessageToBackend(message);
+    if (m_client)
+        m_client->sendMessageToBackend(message);
 }
 
 #if ENABLE(CONTEXT_MENUS)
 void InspectorFrontendHost::showContextMenu(Event* event, const Vector<ContextMenuItem*>& items)
 {
     ASSERT(m_frontendPage);
     ScriptState* frontendScriptState = scriptStateFromPage(debuggerWorld(), m_frontendPage);
     ScriptObject webInspectorObj;
     if (!ScriptGlobalObject::get(frontendScriptState, "WebInspector", webInspectorObj)) {
         ASSERT_NOT_REACHED();
         return;
     }
     RefPtr<FrontendMenuProvider> menuProvider = FrontendMenuProvider::create(this, webInspectorObj, items);
     ContextMenuController* menuController = m_frontendPage->contextMenuController();
     menuController->showContextMenu(event, menuProvider);
     m_menuProvider = menuProvider.get();
 }
 #endif
 
 } // namespace WebCore
 
 #endif // ENABLE(INSPECTOR)