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

cc/CCScheduler.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 "CCScheduler.h"
 
 #include "TraceEvent.h"
 
@@ skipping 104 matching lines @@
     processScheduledActions();
 }
 
 void CCScheduler::didRecreateContext()
 {
     TRACE_EVENT0("cc", "CCScheduler::didRecreateContext");
     m_stateMachine.didRecreateContext();
     processScheduledActions();
 }
 
-void CCScheduler::setTimebaseAndInterval(double timebase, double intervalSeconds)
+void CCScheduler::setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelta interval)
 {
-    m_frameRateController->setTimebaseAndInterval(timebase, intervalSeconds);
+    m_frameRateController->setTimebaseAndInterval(timebase, interval);
 }
 
 void CCScheduler::vsyncTick()
 {
     TRACE_EVENT0("cc", "CCScheduler::vsyncTick");
     m_stateMachine.didEnterVSync();
     processScheduledActions();
     m_stateMachine.didLeaveVSync();
 
     // Allow resource updates until next vsync tick.
@@ skipping 58 matching lines @@
             m_client->scheduledActionAcquireLayerTexturesForMainThread();
             break;
         }
     } while (action != CCSchedulerStateMachine::ACTION_NONE);
 
     // Activate or deactivate the frame rate controller.
     m_frameRateController->setActive(m_stateMachine.vsyncCallbackNeeded());
 }
 
 }