cc: Remove wtf includes from *LayerTextureUpdater headers

cc/canvas_layer_texture_updater.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 CanvasLayerTextureUpdater_h
 #define CanvasLayerTextureUpdater_h
 
 #include "LayerTextureUpdater.h"
 
 class SkCanvas;
 
 namespace cc {
 
 class LayerPainterChromium;
 
 // Base class for BitmapCanvasLayerTextureUpdater and
 // SkPictureCanvasLayerTextureUpdater that reduces code duplication between
 // their respective paintContents implementations.
 class CanvasLayerTextureUpdater : public LayerTextureUpdater {
-public:
-    virtual ~CanvasLayerTextureUpdater();
-
 protected:
     explicit CanvasLayerTextureUpdater(scoped_ptr<LayerPainterChromium>);
+    virtual ~CanvasLayerTextureUpdater();
 
     void paintContents(SkCanvas*, const IntRect& contentRect, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats&);
     const IntRect& contentRect() const { return m_contentRect; }
 
 private:
     IntRect m_contentRect;
     scoped_ptr<LayerPainterChromium> m_painter;
 };
 
 }  // namespace cc
 
 #endif  // CanvasLayerTextureUpdater_h