cc: Unify namespaces for all test files

cc/test/scheduler_test_common.h

 // 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.
 
 #ifndef CC_TEST_SCHEDULER_TEST_COMMON_H_
 #define CC_TEST_SCHEDULER_TEST_COMMON_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/delay_based_time_source.h"
 #include "cc/frame_rate_controller.h"
 #include "cc/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace WebKitTests {
+namespace cc {
 
 class FakeTimeSourceClient : public cc::TimeSourceClient {
 public:
     FakeTimeSourceClient() { reset(); }
     void reset() { m_tickCalled = false; }
     bool tickCalled() const { return m_tickCalled; }
 
     virtual void onTimerTick() OVERRIDE;
 
 protected:
@@ skipping 88 matching lines @@
     base::TimeTicks m_now;
 };
 
 class FakeFrameRateController : public cc::FrameRateController {
 public:
     FakeFrameRateController(scoped_refptr<cc::TimeSource> timer) : cc::FrameRateController(timer) { }
 
     int numFramesPending() const { return m_numFramesPending; }
 };
 
-}
+}  // namespace cc
 
 #endif  // CC_TEST_SCHEDULER_TEST_COMMON_H_