Fix race conditions in window snapshot code.

cc/trees/thread_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 CC_TREES_THREAD_PROXY_H_
 #define CC_TREES_THREAD_PROXY_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
   virtual bool IsStarted() const OVERRIDE;
   virtual void SetLayerTreeHostClientReady() OVERRIDE;
   virtual void SetVisible(bool visible) OVERRIDE;
   virtual void CreateAndInitializeOutputSurface() OVERRIDE;
   virtual const RendererCapabilities& GetRendererCapabilities() const OVERRIDE;
   virtual void SetNeedsAnimate() OVERRIDE;
   virtual void SetNeedsUpdateLayers() OVERRIDE;
   virtual void SetNeedsCommit() OVERRIDE;
   virtual void SetNeedsRedraw(gfx::Rect damage_rect) OVERRIDE;
   virtual void SetNextCommitWaitsForActivation() OVERRIDE;
+  virtual void SetNextCommitForcesRedraw() OVERRIDE;
   virtual void NotifyInputThrottledUntilCommit() OVERRIDE;
   virtual void SetDeferCommits(bool defer_commits) OVERRIDE;
   virtual bool CommitRequested() const OVERRIDE;
   virtual void MainThreadHasStoppedFlinging() OVERRIDE;
   virtual void Start(scoped_ptr<OutputSurface> first_output_surface) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual size_t MaxPartialTextureUpdates() const OVERRIDE;
   virtual void AcquireLayerTextures() OVERRIDE;
   virtual void ForceSerializeOnSwapBuffers() OVERRIDE;
   virtual scoped_ptr<base::Value> AsValue() const OVERRIDE;
@@ skipping 108 matching lines @@
   void CommitPendingOnImplThreadForTesting(CommitPendingRequest* request);
   void SchedulerStateAsValueOnImplThreadForTesting(
       SchedulerStateRequest* request);
   void AsValueOnImplThread(CompletionEvent* completion,
                            base::DictionaryValue* state) const;
   void RenewTreePriorityOnImplThread();
   void DidSwapUseIncompleteTileOnImplThread();
   void StartScrollbarAnimationOnImplThread();
   void MainThreadHasStoppedFlingingOnImplThread();
   void SetInputThrottledUntilCommitOnImplThread(bool is_throttled);
+  void SetFullRootLayerDamageOnImplThread();
 
   // Accessed on main thread only.
 
   // Set only when SetNeedsAnimate is called.
   bool animate_requested_;
   // Set only when SetNeedsCommit is called.
   bool commit_requested_;
   // Set by SetNeedsCommit and SetNeedsAnimate.
   bool commit_request_sent_to_impl_thread_;
   // Set by BeginFrameOnMainThread
@@ skipping 72 matching lines @@
   // activation_duration_history_.
   base::TimeTicks begin_frame_sent_to_main_thread_time_;
   base::TimeTicks commit_complete_time_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadProxy);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREAD_PROXY_H_