Web Animations: Extract an API for servicing animations

Source/core/animation/Player.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 147 matching lines @@
         m_pauseStartTime = seekTime;
     else
         m_timeDrift = currentTimeBeforeDrift() - seekTime;
 
     update();
 }
 
 void Player::pauseForTesting()
 {
     // FIXME: Need to support pausing compositor animations to pass virtual/threaded tests.
-    RELEASE_ASSERT(!hasActiveAnimationsOnCompositor());

[Steve Block, 2013/11/20 00:36:16]

Why is this removed?

[dstockwell, 2013/11/20 00:49:16]

This allows the tests to pass, although they may not actually be testing the
output of compositor animations anymore. Mike is working on fixing this.

     RELEASE_ASSERT(!paused());
     m_isPausedForTesting = true;
     setPausedImpl(true);
 }
 
 void Player::setPaused(bool newValue)
 {
     ASSERT(!m_isPausedForTesting);
     setPausedImpl(newValue);
 }
@@ skipping 14 matching lines @@
 }
 
 void Player::setPlaybackRate(double newRate)
 {
     double previousTime = currentTime();
     m_playbackRate = newRate;
     setCurrentTime(previousTime);
 }
 
 } // namespace