[cc] Rename all cc/ filenames to Chromium style

cc/stubs/float_size.h

-// Copyright 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 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_FLOATSIZE_H_
+#define CC_STUBS_FLOATSIZE_H_
+
+#include "IntSize.h"
+#if INSIDE_WEBKIT_BUILD
+#include "Source/WebCore/platform/graphics/FloatSize.h"
+#else
+#include "third_party/WebKit/Source/WebCore/platform/graphics/FloatSize.h"
+#endif
+
+namespace cc {
+class FloatSize : public WebCore::FloatSize {
+public:
+    FloatSize() { }
+
+    FloatSize(float width, float height)
+        : WebCore::FloatSize(width, height)
+    {
+    }
+
+    FloatSize(IntSize size)
+        : WebCore::FloatSize(size.width(), size.height())
+    {
+    }
+
+    FloatSize(WebCore::FloatSize size)
+        : WebCore::FloatSize(size.width(), size.height())
+    {
+    }
+
+    FloatSize(WebCore::IntSize size)
+        : WebCore::FloatSize(size.width(), size.height())
+    {
+    }
+};
+
+}
+
+#endif