Merge 130449 - Crash in EventHandler::mouseMoved().

Source/WebCore/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  *
  * 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
@@ skipping 1653 matching lines @@
 
     RenderLayer* layer = renderer->enclosingLayer();
     if (!layer)
         return 0;
 
     return layer;
 }
 
 bool EventHandler::mouseMoved(const PlatformMouseEvent& event)
 {
+    RefPtr<FrameView> protector(m_frame->view());
     MaximumDurationTracker maxDurationTracker(&m_maxMouseMovedDuration);
-    RefPtr<FrameView> protector(m_frame->view());
 
 
 #if ENABLE(TOUCH_EVENTS)
     // FIXME: this should be moved elsewhere to also be able to dispatch touchcancel events.
     bool defaultPrevented = dispatchSyntheticTouchEventIfEnabled(event);
     if (defaultPrevented)
         return true;
 #endif
 
     HitTestResult hoveredNode = HitTestResult(LayoutPoint());
@@ skipping 2052 matching lines @@
     if (eventType == PlatformEvent::MouseMoved && !m_touchPressed)
         return false;
 
     SyntheticSingleTouchEvent touchEvent(event);
     return handleTouchEvent(touchEvent);
 }
 
 #endif
 
 }