Convert CC scheduler logic to use base::TimeTicks/Delta instead of doubles

cc/CCFrameRateController.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 "CCFrameRateController.h"
 
 #include "CCDelayBasedTimeSource.h"
 #include "CCTimeSource.h"
@@ skipping 72 matching lines @@
             m_manualTicker->stop();
     }
 }
 
 void CCFrameRateController::setMaxFramesPending(int maxFramesPending)
 {
     ASSERT(maxFramesPending > 0);
     m_maxFramesPending = maxFramesPending;
 }
 
-void CCFrameRateController::setTimebaseAndInterval(double timebase, double intervalSeconds)
+void CCFrameRateController::setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelta interval)
 {
     if (m_isTimeSourceThrottling)
-        m_timeSource->setTimebaseAndInterval(timebase, intervalSeconds);
+        m_timeSource->setTimebaseAndInterval(timebase, interval);
 }
 
 void CCFrameRateController::setSwapBuffersCompleteSupported(bool supported)
 {
     m_swapBuffersCompleteSupported = supported;
 }
 
 void CCFrameRateController::onTimerTick()
 {
     ASSERT(m_active);
@@ skipping 37 matching lines @@
     m_numFramesPending--;
     if (!m_isTimeSourceThrottling)
         postManualTick();
 }
 
 void CCFrameRateController::didAbortAllPendingFrames()
 {
     m_numFramesPending = 0;
 }
 
-double CCFrameRateController::nextTickTimeIfActivated()
+base::TimeTicks CCFrameRateController::nextTickTimeIfActivated()
 {
     if (m_isTimeSourceThrottling)
         return m_timeSource->nextTickTimeIfActivated();
 
-    return monotonicallyIncreasingTime();
+    return base::TimeTicks::Now();
 }
 
 }