Change cc files from namespace WebCore to cc

cc/test/CCLayerTestCommon.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 "CCLayerTestCommon.h"
 #include "CCDrawQuad.h"
 
 #include <gtest/gtest.h>
 #include <wtf/Vector.h>
 
-using namespace WebCore;
+using namespace cc;
 
 namespace CCLayerTestCommon {
 
 // Align with expected and actual output
 const char* quadString = "    Quad: ";
 
 void verifyQuadsExactlyCoverRect(const CCQuadList& quads, const IntRect& rect)
 {
     Region remaining(rect);
 
     for (size_t i = 0; i < quads.size(); ++i) {
         CCDrawQuad* quad = quads[i].get();
         IntRect quadRect = quad->quadRect();
 
         EXPECT_TRUE(rect.contains(quadRect)) << quadString << i;
         EXPECT_TRUE(remaining.contains(quadRect)) << quadString << i;
         remaining.subtract(Region(quadRect));
     }
 
     EXPECT_TRUE(remaining.isEmpty());
 }
 
 } // namespace