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

cc/layer.h

 // Copyright 2010 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.
 
 #ifndef LayerChromium_h
 #define LayerChromium_h
 
 #include "base/memory/ref_counted.h"
 #include "CCLayerAnimationController.h"
 #include "CCOcclusionTracker.h"
@@ skipping 243 matching lines @@
 
     bool hasActiveAnimation() const;
 
     virtual void notifyAnimationStarted(const CCAnimationEvent&, double wallClockTime);
     virtual void notifyAnimationFinished(double wallClockTime);
 
     virtual Region visibleContentOpaqueRegion() const;
 
     virtual ScrollbarLayerChromium* toScrollbarLayerChromium();
 
+    void setDeferUpdates(bool);
+    bool deferUpdates();
+
 protected:
     friend class CCLayerImpl;
     friend class TreeSynchronizer;
     virtual ~LayerChromium();
 
     LayerChromium();
 
     void setNeedsCommit();
 
     IntRect layerRectToContentRect(const WebKit::WebRect& layerRect);
@@ skipping 96 matching lines @@
 
     // Uses target surface space.
     IntRect m_drawableContentRect;
     float m_contentsScale;
     bool m_boundsContainPageScale;
 
     WebKit::WebTransformationMatrix m_implTransform;
 
     WebKit::WebAnimationDelegate* m_layerAnimationDelegate;
     WebKit::WebLayerScrollClient* m_layerScrollClient;
+
+    // Whether or not we should defer updates to the CCLayerImpl subtree rooted at this node.
+    bool m_deferUpdates;
 };
 
 void sortLayers(std::vector<scoped_refptr<LayerChromium> >::iterator, std::vector<scoped_refptr<LayerChromium> >::iterator, void*);
 
 }  // namespace cc
 
 #endif