Change cc files from namespace WebCore to cc

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 WebCore {
+namespace cc {
 
 const CCFloatAnimationCurve* CCAnimationCurve::toFloatAnimationCurve() const
 {
     ASSERT(type() ==  CCAnimationCurve::Float);
     return static_cast<const CCFloatAnimationCurve*>(this);
 }
 
 const CCTransformAnimationCurve* CCAnimationCurve::toTransformAnimationCurve() const
 {
     ASSERT(type() ==  CCAnimationCurve::Transform);
     return static_cast<const CCTransformAnimationCurve*>(this);
 }
 
-} // namespace WebCore
+} // namespace cc