cc: Set the max frames pending from the thread proxy.

cc/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_THREAD_PROXY_H_
 #define CC_THREAD_PROXY_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
@@ skipping 64 matching lines @@
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapForced() OVERRIDE;
     virtual void scheduledActionCommit() OVERRIDE;
     virtual void scheduledActionActivatePendingTreeIfNeeded() OVERRIDE;
     virtual void scheduledActionBeginContextRecreation() OVERRIDE;
     virtual void scheduledActionAcquireLayerTexturesForMainThread() OVERRIDE;
     virtual void didAnticipatedDrawTimeChange(base::TimeTicks) OVERRIDE;
 
     // ResourceUpdateControllerClient implementation
     virtual void readyToFinalizeTextureUpdates() OVERRIDE;
 
+    int maxFramesPendingForTesting() const { return m_schedulerOnImplThread->maxFramesPending(); }
+
 private:
     ThreadProxy(LayerTreeHost*, scoped_ptr<Thread> implThread);
 
     struct BeginFrameAndCommitState {
         BeginFrameAndCommitState();
         ~BeginFrameAndCommitState();
 
         base::TimeTicks monotonicFrameBeginTime;
         scoped_ptr<ScrollAndScaleSet> scrollInfo;
         gfx::Transform implTransform;
@@ skipping 94 matching lines @@
     base::TimeDelta m_totalCommitTime;
     size_t m_totalCommitCount;
 
     bool m_deferCommits;
     scoped_ptr<BeginFrameAndCommitState> m_pendingDeferredCommit;
 };
 
 }  // namespace cc
 
 #endif  // CC_THREAD_PROXY_H_