Revert 111028 - Support W3C Full Screen API proposal

Source/WebKit2/UIProcess/WebFullScreenManagerProxy.cpp

 /*
  * Copyright (C) 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 73 matching lines @@
     m_page->process()->send(Messages::WebFullScreenManager::DidExitFullScreen(), m_page->pageID());
 }
 
 void WebFullScreenManagerProxy::setAnimatingFullScreen(bool animating)
 {
     m_page->process()->send(Messages::WebFullScreenManager::SetAnimatingFullScreen(animating), m_page->pageID());
 }
 
 void WebFullScreenManagerProxy::supportsFullScreen(bool withKeyboard, bool& supports)
 {
-    supports = true;
+    if (withKeyboard)
+        supports = false;
+    else
+        supports = true;
 }
 
 } // namespace WebKit
 
 #endif // ENABLE(FULLSCREEN_API)