Web Animations: Remove legacy animations engine.

Source/core/animation/ActiveAnimations.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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/animation/ActiveAnimations.h"
 
-#include "core/frame/animation/AnimationController.h"
 #include "core/rendering/RenderObject.h"
 
 namespace WebCore {
 
 bool shouldCompositeForActiveAnimations(const RenderObject& renderer)
 {
     ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled());
 
     if (!renderer.node() || !renderer.node()->isElementNode())
         return false;
@@ skipping 47 matching lines @@
     return m_defaultStack.hasActiveAnimationsOnCompositor(property);
 }
 
 void ActiveAnimations::cancelAnimationOnCompositor()
 {
     for (PlayerSet::iterator it = m_players.begin(); it != players().end(); ++it)
         it->key->cancelAnimationOnCompositor();
 }
 
 } // namespace WebCore