Change cc files from namespace WebCore to cc

cc/RateLimiter.cpp

 // Copyright 2011 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"
 
 #if USE(ACCELERATED_COMPOSITING)
 #include "RateLimiter.h"
 
 #include "CCProxy.h"
 #include "CCThread.h"
 #include "TraceEvent.h"
 #include <public/WebGraphicsContext3D.h>
 
-namespace WebCore {
+namespace cc {
 
 class RateLimiter::Task : public CCThread::Task {
 public:
     static PassOwnPtr<Task> create(RateLimiter* rateLimiter)
     {
         return adoptPtr(new Task(rateLimiter));
     }
     virtual ~Task() { }
 
 private:
@@ skipping 52 matching lines @@
 
     TRACE_EVENT0("cc", "RateLimiter::rateLimitContext");
 
     m_active = false;
     m_client->rateLimit();
     m_context->rateLimitOffscreenContextCHROMIUM();
 }
 
 }
 #endif // USE(ACCELERATED_COMPOSITING)