Merge 122224 - Input type=range issue with events not being raised when value set in js

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 1862 matching lines @@
     HitTestRequest request(HitTestRequest::Release);
     MouseEventWithHitTestResults mev = prepareMouseEvent(request, mouseEvent);
     Frame* subframe = m_capturingMouseEventsNode.get() ? subframeForTargetNode(m_capturingMouseEventsNode.get()) : subframeForHitTestResult(mev);
     if (m_eventHandlerWillResetCapturingMouseEventsNode)
         m_capturingMouseEventsNode = 0;
     if (subframe && passMouseReleaseEventToSubframe(mev, subframe))
         return true;
 
     bool swallowMouseUpEvent = dispatchMouseEvent(eventNames().mouseupEvent, targetNode(mev), true, m_clickCount, mouseEvent, false);
 
-    bool swallowClickEvent = m_clickCount > 0 && mouseEvent.button() != RightButton && targetNode(mev) == m_clickNode && dispatchMouseEvent(eventNames().clickEvent, targetNode(mev), true, m_clickCount, mouseEvent, true);
+    Node* clickTarget = targetNode(mev);
+    if (clickTarget)
+        clickTarget = clickTarget->shadowAncestorNode();
+    Node* adjustedClickNode = m_clickNode ? m_clickNode->shadowAncestorNode() : 0;
+
+    bool swallowClickEvent = m_clickCount > 0 && mouseEvent.button() != RightButton && clickTarget == adjustedClickNode && dispatchMouseEvent(eventNames().clickEvent, targetNode(mev), true, m_clickCount, mouseEvent, true);
 
     if (m_resizeLayer) {
         m_resizeLayer->setInResizeMode(false);
         m_resizeLayer = 0;
     }
 
     bool swallowMouseReleaseEvent = false;
     if (!swallowMouseUpEvent)
         swallowMouseReleaseEvent = handleMouseReleaseEvent(mev);
 
@@ skipping 1739 matching lines @@
     if (eventType == PlatformEvent::MouseMoved && !m_touchPressed)
         return false;
 
     SyntheticSingleTouchEvent touchEvent(event);
     return handleTouchEvent(touchEvent);
 }
 
 #endif
 
 }