Implement closed shadow adjustment for Element.offsetParent

third_party/WebKit/Source/core/layout/LayoutVideo.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 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 192 matching lines @@
     if (!parent)
         return nullptr;
 
     LayoutFullScreen* fullScreen = parent->isLayoutFullScreen() ? toLayoutFullScreen(parent) : 0;
     if (!fullScreen)
         return nullptr;
 
     return fullScreen->placeholder();
 }
 
-LayoutUnit LayoutVideo::offsetLeft() const
+LayoutUnit LayoutVideo::offsetLeft(const Element* parent) const
 {
     if (const LayoutBlock* block = layoutObjectPlaceholder(this))
-        return block->offsetLeft();
-    return LayoutMedia::offsetLeft();
+        return block->offsetLeft(parent);
+    return LayoutMedia::offsetLeft(parent);
 }
 
-LayoutUnit LayoutVideo::offsetTop() const
+LayoutUnit LayoutVideo::offsetTop(const Element* parent) const
 {
     if (const LayoutBlock* block = layoutObjectPlaceholder(this))
-        return block->offsetTop();
-    return LayoutMedia::offsetTop();
+        return block->offsetTop(parent);
+    return LayoutMedia::offsetTop(parent);
 }
 
 LayoutUnit LayoutVideo::offsetWidth() const
 {
     if (const LayoutBlock* block = layoutObjectPlaceholder(this))
         return block->offsetWidth();
     return LayoutMedia::offsetWidth();
 }
 
 LayoutUnit LayoutVideo::offsetHeight() const
 {
     if (const LayoutBlock* block = layoutObjectPlaceholder(this))
         return block->offsetHeight();
     return LayoutMedia::offsetHeight();
 }
 
 CompositingReasons LayoutVideo::additionalCompositingReasons() const
 {
     HTMLMediaElement* element = toHTMLMediaElement(node());
     if (element->isFullscreen() && element->usesOverlayFullscreenVideo())
         return CompositingReasonVideo;
 
     if (shouldDisplayVideo() && supportsAcceleratedRendering())
         return CompositingReasonVideo;
 
     return CompositingReasonNone;
 }
 
 } // namespace blink