[cc] Rename all cc/ filenames to Chromium style

cc/stubs/IntSize.h

-// Copyright (c) 2012 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 CC_STUBS_INTSIZE_H_
-#define CC_STUBS_INTSIZE_H_
-
-#if INSIDE_WEBKIT_BUILD
-#include "Source/WebCore/platform/graphics/IntSize.h"
-#else
-#include "third_party/WebKit/Source/WebCore/platform/graphics/IntSize.h"
-#endif
-
-namespace cc {
-
-class IntSize : public WebCore::IntSize {
-public:
-    IntSize() { }
-
-    IntSize(int width, int height)
-        : WebCore::IntSize(width, height)
-    {
-    }
-
-    IntSize(WebCore::IntSize size)
-        : WebCore::IntSize(size.width(), size.height())
-    {
-
-    }
-};
-
-}
-
-#endif
+// Temporary forwarding header
+#include "cc/stubs/int_size.h"