cc: The recent texture manager bug uncovered some unnecessary code

cc/layer_tree_host.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 CCLayerTreeHost_h
 #define CCLayerTreeHost_h
 
 #include <limits>
 
 #include "IntRect.h"
@@ skipping 177 matching lines @@
     void setImplTransform(const WebKit::WebTransformationMatrix&);
 
     void startRateLimiter(WebKit::WebGraphicsContext3D*);
     void stopRateLimiter(WebKit::WebGraphicsContext3D*);
 
     // RateLimitClient implementation
     virtual void rateLimit() OVERRIDE;
 
     bool bufferedUpdates();
     bool requestPartialTextureUpdate();
-    void deleteTextureAfterCommit(scoped_ptr<PrioritizedTexture>);
 
     void setDeviceScaleFactor(float);
     float deviceScaleFactor() const { return m_deviceScaleFactor; }
 
     void setFontAtlas(scoped_ptr<FontAtlas>);
 
     HeadsUpDisplayLayer* hudLayer() const { return m_hudLayer.get(); }
 
 protected:
     LayerTreeHost(LayerTreeHostClient*, const LayerTreeSettings&);
@@ skipping 53 matching lines @@
 
     float m_pageScaleFactor;
     float m_minPageScaleFactor, m_maxPageScaleFactor;
     WebKit::WebTransformationMatrix m_implTransform;
     bool m_triggerIdleUpdates;
 
     SkColor m_backgroundColor;
     bool m_hasTransparentBackground;
 
     typedef ScopedPtrVector<PrioritizedTexture> TextureList;
-    TextureList m_deleteTextureAfterCommitList;
     size_t m_partialTextureUpdateRequests;
 
     static bool s_needsFilterContext;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif