Migrate WTF::Vector::append() to ::push_back() [part 2 of N]

third_party/WebKit/Source/core/animation/CompositorAnimations.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 357 matching lines @@
 
   Vector<std::unique_ptr<CompositorAnimation>> animations;
   getAnimationOnCompositor(timing, group, startTime, timeOffset, keyframeEffect,
                            animations, animationPlaybackRate);
   DCHECK(!animations.isEmpty());
   for (auto& compositorAnimation : animations) {
     int id = compositorAnimation->id();
     CompositorAnimationPlayer* compositorPlayer = animation.compositorPlayer();
     DCHECK(compositorPlayer);
     compositorPlayer->addAnimation(std::move(compositorAnimation));
-    startedAnimationIds.append(id);
+    startedAnimationIds.push_back(id);
   }
   DCHECK(!startedAnimationIds.isEmpty());
 }
 
 void CompositorAnimations::cancelAnimationOnCompositor(
     const Element& element,
     const Animation& animation,
     int id) {
   if (!canStartAnimationOnCompositor(element)) {
     // When an element is being detached, we cancel any associated
@@ skipping 221 matching lines @@
 
     if (!std::isnan(startTime))
       animation->setStartTime(startTime);
 
     animation->setIterations(compositorTiming.adjustedIterationCount);
     animation->setIterationStart(compositorTiming.iterationStart);
     animation->setTimeOffset(compositorTiming.scaledTimeOffset);
     animation->setDirection(compositorTiming.direction);
     animation->setPlaybackRate(compositorTiming.playbackRate);
     animation->setFillMode(compositorTiming.fillMode);
-    animations.append(std::move(animation));
+    animations.push_back(std::move(animation));
   }
   DCHECK(!animations.isEmpty());
 }
 
 }  // namespace blink