Remove use of wtf/ListHashSet from CCPrioritizedTextureManager.

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 CCThreadProxy_h
 #define CCThreadProxy_h
 
 #include "CCAnimationEvents.h"
 #include "CCCompletionEvent.h"
 #include "CCLayerTreeHostImpl.h"
@@ skipping 69 matching lines @@
     friend class CCThreadProxyContextRecreationTimer;
 
     // Set on impl thread, read on main thread.
     struct BeginFrameAndCommitState {
         BeginFrameAndCommitState();
         ~BeginFrameAndCommitState();
 
         double monotonicFrameBeginTime;
         scoped_ptr<CCScrollAndScaleSet> scrollInfo;
         WebKit::WebTransformationMatrix implTransform;
-        CCPrioritizedTextureManager::BackingVector evictedContentsTexturesBackings;
+        CCPrioritizedTextureManager::BackingList evictedContentsTexturesBackings;
         size_t memoryAllocationLimitBytes;
     };
     scoped_ptr<BeginFrameAndCommitState> m_pendingBeginFrameRequest;
 
     // Called on main thread
     void beginFrame();
     void didCommitAndDrawFrame();
     void didCompleteSwapBuffers();
     void setAnimationEvents(CCAnimationEventsVector*, double wallClockTime);
     void beginContextRecreation();
@@ skipping 70 matching lines @@
 
     bool m_renderVSyncEnabled;
 
     base::TimeDelta m_totalCommitTime;
     size_t m_totalCommitCount;
 };
 
 }
 
 #endif