Change cc files from namespace WebCore to cc

cc/CCDelayBasedTimeSourceTest.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"
 
 #include "CCDelayBasedTimeSource.h"
 
 #include "CCSchedulerTestCommon.h"
 #include "CCThread.h"
 #include <gtest/gtest.h>
 #include <wtf/RefPtr.h>
 
+using namespace cc;
 using namespace WTF;
-using namespace WebCore;
 using namespace WebKitTests;
 
 namespace {
 
 TEST(CCDelayBasedTimeSourceTest, TaskPostedAndTickCalled)
 {
     FakeCCThread thread;
     FakeCCTimeSourceClient client;
     RefPtr<FakeCCDelayBasedTimeSource> timer = FakeCCDelayBasedTimeSource::create(1.0 / 60.0, &thread);
     timer->setClient(&client);
@@ skipping 350 matching lines @@
     thread.runPendingTask();
 
     // Start the timer again, but before the next tick time the timer previously
     // planned on using. That same tick time should still be targeted.
     timer->setMonotonicTimeNow(0.02);
     timer->setActive(true);
     EXPECT_EQ(13, thread.pendingDelayMs());
 }
 
 }