Change cc files from namespace WebCore to cc

cc/CCDelayBasedTimeSource.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 "TraceEvent.h"
 #include <algorithm>
 #include <wtf/CurrentTime.h>
 #include <wtf/MathExtras.h>
 
-namespace WebCore {
+namespace cc {
 
 namespace {
 
 // doubleTickThreshold prevents ticks from running within the specified fraction of an interval.
 // This helps account for jitter in the timebase as well as quick timer reactivation.
 const double doubleTickThreshold = 0.25;
 
 // intervalChangeThreshold is the fraction of the interval that will trigger an immediate interval change.
 // phaseChangeThreshold is the fraction of the interval that will trigger an immediate phase change.
 // If the changes are within the thresholds, the change will take place on the next tick.
@@ skipping 187 matching lines @@
     // Post another task *before* the tick and update state
     double delay = newTickTarget - now;
     ASSERT(delay <= m_nextParameters.interval * (1.0 + doubleTickThreshold));
     m_timer.startOneShot(delay);
 
     m_nextParameters.tickTarget = newTickTarget;
     m_currentParameters = m_nextParameters;
 }
 
 }