[cc] Rename all cc/ filenames to Chromium style

cc/LayerPainterChromium.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
+// 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 LayerPainterChromium_h
-#define LayerPainterChromium_h
-
-#if USE(ACCELERATED_COMPOSITING)
-
-class SkCanvas;
-
-namespace cc {
-
-class FloatRect;
-class IntRect;
-
-class LayerPainterChromium {
-public:
-    virtual ~LayerPainterChromium() { }
-    virtual void paint(SkCanvas*, const IntRect& contentRect, FloatRect& opaque) = 0;
-};
-
-} // namespace cc
-#endif // USE(ACCELERATED_COMPOSITING)
-#endif // LayerPainterChromium_h
+// Temporary forwarding header
+#include "cc/layer_painter.h"