cc: Change gtest includes to the style used in chromium.

cc/CCTimerTest.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 "CCTimer.h"
 
 #include "CCSchedulerTestCommon.h"
-#include <gtest/gtest.h>
+#include "testing/gtest/include/gtest/gtest.h"
 
 using namespace cc;
 using namespace WebKitTests;
 
 namespace {
 
 class CCTimerTest : public testing::Test, public CCTimerClient {
 public:
     CCTimerTest() : m_flag(false) { }
 
@@ skipping 33 matching lines @@
     {
         CCTimer timer(&m_thread, this);
         timer.startOneShot(0.001);
     }
 
     m_thread.runPendingTask();
     EXPECT_FALSE(m_flag);
 }
 
 }