Change cc files from namespace WebCore to cc

cc/test/CCTestCommon.h

 // 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 CCTestCommon_h
 #define CCTestCommon_h
 
 #include "CCSettings.h"
 
 namespace WebKitTests {
 
 // If you have a test that modifies or uses global settings, keep an instance
 // of this class to ensure that you start and end with a clean slate.
 class CCScopedSettings {
 public:
-    CCScopedSettings() { WebCore::CCSettings::reset(); }
-    ~CCScopedSettings() { WebCore::CCSettings::reset(); }
+    CCScopedSettings() { cc::CCSettings::reset(); }
+    ~CCScopedSettings() { cc::CCSettings::reset(); }
 };
 
 } // namespace WebKitTests
 
 #endif // CCTestCommon_h