Support compositing for active animations in SPv2.

third_party/WebKit/Source/core/animation/CompositorPendingAnimations.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 72 matching lines @@
       if (animation->playing() && !animation->hasStartTime() &&
           animation->timeline() && animation->timeline()->isActive()) {
         waitingForStartTime.push_back(animation.get());
       }
     } else {
       deferred.push_back(animation);
     }
   }
 
   // If any synchronized animations were started on the compositor, all
-  // remaning synchronized animations need to wait for the synchronized
+  // remaining synchronized animations need to wait for the synchronized
   // start time. Otherwise they may start immediately.
   if (startedSynchronizedOnCompositor) {
     for (auto& animation : waitingForStartTime) {
       if (!animation->hasStartTime()) {
         m_waitingForCompositorAnimationStart.push_back(animation);
       }
     }
   } else {
     for (auto& animation : waitingForStartTime) {
       if (!animation->hasStartTime()) {
@@ skipping 56 matching lines @@
                                          animation->timeline()->zeroTime());
   }
 }
 
 DEFINE_TRACE(CompositorPendingAnimations) {
   visitor->trace(m_pending);
   visitor->trace(m_waitingForCompositorAnimationStart);
 }
 
 }  // namespace blink