Aura: Resize locks with --ui-enable-threaded-compositing

cc/layer_tree_host_common.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "config.h"
 
 #include "CCLayerTreeHostCommon.h"
 
 #include "CCLayerImpl.h"
@@ skipping 194 matching lines @@
     // via a render surface or explicitly if the parent preserves 3D), so the
     // entire subtree can be skipped if this layer is fully transparent.
     return !layer->opacity();
 }
 
 static inline bool subtreeShouldBeSkipped(LayerChromium* layer)
 {
     // If the opacity is being animated then the opacity on the main thread is unreliable
     // (since the impl thread may be using a different opacity), so it should not be trusted.
     // In particular, it should not cause the subtree to be skipped.
-    return !layer->opacity() && !layer->opacityIsAnimating();
+    return layer->deferUpdates() || (!layer->opacity() && !layer->opacityIsAnimating());
 }
 
 template<typename LayerType>
 static bool subtreeShouldRenderToSeparateSurface(LayerType* layer, bool axisAlignedWithRespectToParent)
 {
     // The root layer has a special render surface that is set up externally, so
     // it shouldn't be treated as a surface in this code.
     if (!layer->parent())
         return false;
 
@@ skipping 630 matching lines @@
 
         foundLayer = currentLayer;
         break;
     }
 
     // This can potentially return 0, which means the viewportPoint did not successfully hit test any layers, not even the root layer.
     return foundLayer;
 }
 
 } // namespace cc