Rename compositor bindings filenames to Chromium style

webkit/compositor_bindings/WebImageLayerImpl.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 WebImageLayerImpl_h
-#define WebImageLayerImpl_h
-
-#include "base/memory/scoped_ptr.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebImageLayer.h"
-
-namespace WebKit {
-class WebLayerImpl;
-
-class WebImageLayerImpl : public WebImageLayer {
-public:
-    WebImageLayerImpl();
-    virtual ~WebImageLayerImpl();
-
-    // WebImageLayer implementation.
-    WebLayer* layer() OVERRIDE;
-    virtual void setBitmap(SkBitmap) OVERRIDE;
-
-private:
-    scoped_ptr<WebLayerImpl> m_layer;
-};
-
-}
-
-#endif // WebImageLayerImpl_h