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

cc/proxy.h

 // 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.
 
 #ifndef CCProxy_h
 #define CCProxy_h
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include <public/WebCompositorOutputSurface.h>
@@ skipping 47 matching lines @@
     virtual bool recreateContext() = 0;
 
     virtual void renderingStats(RenderingStats*) = 0;
 
     virtual const RendererCapabilities& rendererCapabilities() const = 0;
 
     virtual void setNeedsAnimate() = 0;
     virtual void setNeedsCommit() = 0;
     virtual void setNeedsRedraw() = 0;
 
+    // Defers commits until it is reset. It is only supported when in threaded mode. It's an error to make a sync call
+    // like compositeAndReadback while commits are deferred.
+    virtual void setDeferCommits(bool) = 0;
+
     virtual void didAddAnimation() = 0;
 
     virtual bool commitRequested() const = 0;
 
     virtual void start() = 0; // Must be called before using the proxy.
     virtual void stop() = 0; // Must be called before deleting the proxy.
 
     // Forces 3D commands on all contexts to wait for all previous SwapBuffers to finish before executing in the GPU
     // process.
     virtual void forceSerializeOnSwapBuffers() = 0;
@@ skipping 41 matching lines @@
 #ifndef NDEBUG
         DCHECK(Proxy::isMainThreadBlocked());
         Proxy::setMainThreadBlocked(false);
 #endif
     }
 };
 
 }
 
 #endif