Move throttling of background timers into the renderer scheduler

third_party/WebKit/Source/core/frame/SuspendableTimer.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 48 matching lines @@
     TimerBase::stop();
 }
 
 void SuspendableTimer::suspend()
 {
 #if ENABLE(ASSERT)
     ASSERT(!m_suspended);
     m_suspended = true;
 #endif
     if (isActive()) {
-        m_nextFireInterval = nextUnalignedFireInterval();
+        m_nextFireInterval = nextFireInterval();
         ASSERT(m_nextFireInterval >= 0.0);
         m_repeatInterval = repeatInterval();
         TimerBase::stop();
     }
 }
 
 void SuspendableTimer::resume()
 {
 #if ENABLE(ASSERT)
     ASSERT(m_suspended);
     m_suspended = false;
 #endif
     if (m_nextFireInterval >= 0.0) {
         // start() was called before, therefore location() is already set.
         // m_nextFireInterval is only set in suspend() if the Timer was active.
         start(m_nextFireInterval, m_repeatInterval, location());
         m_nextFireInterval = kNextFireIntervalInvalid;
     }
 }
 
 } // namespace blink