cc: Rename cc classes and members to match filenames

cc/io_surface_layer.h

 // Copyright 2012 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 IOSurfaceLayerChromium_h
 #define IOSurfaceLayerChromium_h
 
 #include "cc/layer.h"
 
 namespace cc {
 
-class IOSurfaceLayerChromium : public LayerChromium {
+class IOSurfaceLayer : public Layer {
 public:
-    static scoped_refptr<IOSurfaceLayerChromium> create();
+    static scoped_refptr<IOSurfaceLayer> create();
 
     void setIOSurfaceProperties(uint32_t ioSurfaceId, const IntSize&);
 
-    virtual scoped_ptr<CCLayerImpl> createCCLayerImpl() OVERRIDE;
+    virtual scoped_ptr<LayerImpl> createLayerImpl() OVERRIDE;
     virtual bool drawsContent() const OVERRIDE;
-    virtual void pushPropertiesTo(CCLayerImpl*) OVERRIDE;
+    virtual void pushPropertiesTo(LayerImpl*) OVERRIDE;
 
 protected:
-    IOSurfaceLayerChromium();
+    IOSurfaceLayer();
 
 private:
-    virtual ~IOSurfaceLayerChromium();
+    virtual ~IOSurfaceLayer();
 
     uint32_t m_ioSurfaceId;
     IntSize m_ioSurfaceSize;
 };
 
 }
 #endif