[cc] Rename all cc/ filenames to Chromium style

cc/CCAnimationCurve.cpp

-// 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.
-
-#include "config.h"
-
-#include "CCAnimationCurve.h"
-
-namespace cc {
-
-const CCFloatAnimationCurve* CCAnimationCurve::toFloatAnimationCurve() const
-{
-    ASSERT(type() ==  CCAnimationCurve::Float);
-    return static_cast<const CCFloatAnimationCurve*>(this);
-}
-
-CCAnimationCurve::Type CCFloatAnimationCurve::type() const
-{
-    return Float;
-}
-
-const CCTransformAnimationCurve* CCAnimationCurve::toTransformAnimationCurve() const
-{
-    ASSERT(type() ==  CCAnimationCurve::Transform);
-    return static_cast<const CCTransformAnimationCurve*>(this);
-}
-
-CCAnimationCurve::Type CCTransformAnimationCurve::type() const
-{
-    return Transform;
-}
-
-} // namespace cc