Merge 147181 "[chromium] Use widget.parent() for plugin WebMouse..."

Source/WebKit/chromium/src/WebInputEventConversion.cpp

 /*
  * Copyright (C) 2009 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 415 matching lines @@
 static IntPoint convertAbsoluteLocationForRenderObject(const LayoutPoint& location, const WebCore::RenderObject& renderObject)
 {
     return roundedIntPoint(renderObject.absoluteToLocal(location, UseTransforms));
 }
 
 static void updateWebMouseEventFromWebCoreMouseEvent(const MouseRelatedEvent& event, const Widget& widget, const WebCore::RenderObject& renderObject, WebMouseEvent& webEvent)
 {
     webEvent.timeStampSeconds = event.timeStamp() / millisPerSecond;
     webEvent.modifiers = getWebInputModifiers(event);
 
-    ScrollView* view = widget.root();
-    IntPoint windowPoint = view->contentsToWindow(IntPoint(event.absoluteLocation().x(), event.absoluteLocation().y()));
+    ScrollView* view = widget.parent();
+    IntPoint windowPoint = IntPoint(event.absoluteLocation().x(), event.absoluteLocation().y());
+    if (view)
+        windowPoint = view->contentsToWindow(windowPoint);
     webEvent.globalX = event.screenX();
     webEvent.globalY = event.screenY();
     webEvent.windowX = windowPoint.x();
     webEvent.windowY = windowPoint.y();
     IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), renderObject);
     webEvent.x = localPoint.x();
     webEvent.y = localPoint.y();
 }
 
 WebMouseEventBuilder::WebMouseEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const MouseEvent& event)
@@ skipping 199 matching lines @@
 
     globalX = event.screenX();
     globalY = event.screenY();
     IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), *renderObject);
     x = localPoint.x();
     y = localPoint.y();
 }
 #endif // ENABLE(GESTURE_EVENTS)
 
 } // namespace WebKit