Remove OwnPtr::release() calls in core/ (part 1).

third_party/WebKit/Source/core/animation/Animation.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 744 matching lines @@
     }
     ASSERT(m_compositorGroup != 0);
     return toKeyframeEffect(m_content.get())->maybeStartAnimationOnCompositor(m_compositorGroup, startTime, timeOffset, m_playbackRate);
 }
 
 void Animation::setCompositorPending(bool effectChanged)
 {
     // FIXME: KeyframeEffect could notify this directly?
     if (!hasActiveAnimationsOnCompositor()) {
         destroyCompositorPlayer();
-        m_compositorState.release();
+        m_compositorState.clear();
     }
     if (effectChanged && m_compositorState) {
         m_compositorState->effectChanged = true;
     }
     if (m_compositorPending || m_isPausedForTesting) {
         return;
     }
     if (!m_compositorState || m_compositorState->effectChanged
         || m_compositorState->playbackRate != m_playbackRate
         || m_compositorState->startTime != m_startTime) {
@@ skipping 309 matching lines @@
     visitor->trace(m_timeline);
     visitor->trace(m_pendingFinishedEvent);
     visitor->trace(m_pendingCancelledEvent);
     visitor->trace(m_finishedPromise);
     visitor->trace(m_readyPromise);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink