Change cc files from namespace WebCore to cc

cc/CCOcclusionTrackerTest.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 "CCOcclusionTracker.h"
 
 #include "CCAnimationTestCommon.h"
 #include "CCGeometryTestUtils.h"
 #include "CCLayerAnimationController.h"
 #include "CCLayerImpl.h"
 #include "CCLayerTreeHostCommon.h"
 #include "CCMathUtil.h"
 #include "CCOcclusionTrackerTestCommon.h"
 #include "CCOverdrawMetrics.h"
 #include "CCSingleThreadProxy.h"
 #include "LayerChromium.h"
 #include "Region.h"
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <public/WebFilterOperation.h>
 #include <public/WebFilterOperations.h>
 #include <public/WebTransformationMatrix.h>
 
-using namespace WebCore;
+using namespace cc;
 using namespace WebKit;
 using namespace WebKitTests;
 
 namespace {
 
 class TestContentLayerChromium : public LayerChromium {
 public:
     TestContentLayerChromium()
         : LayerChromium()
         , m_overrideOpaqueContentsRect(false)
@@ skipping 2970 matching lines @@
         EXPECT_RECT_EQ(IntRect(IntPoint(), trackingSize), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(IntRect(IntPoint(), trackingSize), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
     }
 };
 
 ALL_CCOCCLUSIONTRACKER_TEST(CCOcclusionTrackerTestMinimumTrackingSize);
 
 } // namespace