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

third_party/WebKit/Source/core/animation/EffectStack.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 40 matching lines @@
       continue;
     ActiveInterpolationsMap::AddResult entry =
         target.add(property, ActiveInterpolations(1));
     ActiveInterpolations& activeInterpolations = entry.storedValue->value;
     if (!entry.isNewEntry &&
         (RuntimeEnabledFeatures::stackedCSSPropertyAnimationsEnabled() ||
          !property.isCSSProperty() || property.isPresentationAttribute()) &&
         interpolation->isInvalidatableInterpolation() &&
         toInvalidatableInterpolation(*interpolation)
             .dependsOnUnderlyingValue()) {
-      activeInterpolations.append(interpolation.get());
+      activeInterpolations.push_back(interpolation.get());
     } else {
       activeInterpolations.at(0) = interpolation.get();
     }
   }
 }
 
 bool compareSampledEffects(const Member<SampledEffect>& sampledEffect1,
                            const Member<SampledEffect>& sampledEffect2) {
   DCHECK(sampledEffect1 && sampledEffect2);
   return sampledEffect1->sequenceNumber() < sampledEffect2->sequenceNumber();
@@ skipping 110 matching lines @@
       if (!CompositorAnimations::getAnimatedBoundingBox(
               expandingBox, *effect->model(), startRange, endRange))
         return false;
       box.expandTo(expandingBox);
     }
   }
   return true;
 }
 
 }  // namespace blink