[cc] Rename all cc/ filenames to Chromium style

cc/CCGraphicsContext.h

Index: cc/CCGraphicsContext.h
diff --git a/cc/CCGraphicsContext.h b/cc/CCGraphicsContext.h
index 6eb5b3407cbd0704c7cc268b083932a64dea68d0..1193f1f82ceee858e1a34359dc394b355460b71a 100644
--- a/cc/CCGraphicsContext.h
+++ b/cc/CCGraphicsContext.h
@@ -2,17 +2,5 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CCGraphicsContext_h
-#define CCGraphicsContext_h
-
-#include <public/WebCompositorOutputSurface.h>
-#include <public/WebGraphicsContext3D.h>
-
-namespace cc {
-
-// FIXME: rename fully to CCOutputSurface.
-typedef WebKit::WebCompositorOutputSurface CCGraphicsContext;
-
-}  // namespace cc
-
-#endif  // CCGraphicsContext_h
+// Temporary forwarding header
+#include "cc/graphics_context.h"