Remove RenderObject::isVideo

sky/engine/core/rendering/compositing/CompositingRequirementsUpdater.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2014 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:
  * 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 195 matching lines @@
 
 void CompositingRequirementsUpdater::updateRecursive(RenderLayer* ancestorLayer, RenderLayer* layer, OverlapMap& overlapMap, RecursionData& currentRecursionData, bool& descendantHas3DTransform, Vector<RenderLayer*>& unclippedDescendants, IntRect& absoluteDecendantBoundingBox)
 {
     RenderLayerCompositor* compositor = m_renderView.compositor();
 
     layer->stackingNode()->updateLayerListsIfNeeded();
 
     CompositingReasons reasonsToComposite = CompositingReasonNone;
     CompositingReasons directReasons = m_compositingReasonFinder.directReasons(layer);
 
-    // Video is special. It's the only RenderLayer type that can both have
-    // RenderLayer children and whose children can't use its backing to render
-    // into. These children (the controls) always need to be promoted into their
-    // own layers to draw on top of the accelerated video.
-    if (currentRecursionData.m_compositingAncestor && currentRecursionData.m_compositingAncestor->renderer()->isVideo())
-        directReasons |= CompositingReasonVideoOverlay;
-
     if (compositor->canBeComposited(layer))
         reasonsToComposite |= directReasons;
 
     // Next, accumulate reasons related to overlap.
     // If overlap testing is used, this reason will be overridden. If overlap testing is not
     // used, we must assume we overlap if there is anything composited behind us in paint-order.
     CompositingReasons overlapCompositingReason = currentRecursionData.m_subtreeIsCompositing ? CompositingReasonAssumedOverlap : CompositingReasonNone;
 
     if (m_renderView.compositor()->preferCompositingToLCDTextEnabled()) {
         Vector<size_t> unclippedDescendantsToRemove;
@@ skipping 171 matching lines @@
 
         descendantHas3DTransform |= anyDescendantHas3DTransform || layer->has3DTransform();
     }
 
     // At this point we have finished collecting all reasons to composite this layer.
     layer->setCompositingReasons(reasonsToComposite);
 
 }
 
 } // namespace blink