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

third_party/WebKit/Source/core/animation/EffectStackTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/animation/EffectStack.h"
 
 #include "core/animation/AnimationClock.h"
 #include "core/animation/CompositorPendingAnimations.h"
 #include "core/animation/DocumentTimeline.h"
 #include "core/animation/ElementAnimations.h"
@@ skipping 98 matching lines @@
            makeEffectModel(CSSPropertyFontSize, AnimatableDouble::create(1))),
        15);
   play(makeKeyframeEffect(
            makeEffectModel(CSSPropertyZIndex, AnimatableDouble::create(2))),
        10);
   HeapVector<Member<const InertEffect>> newAnimations;
   InertEffect* inert1 = makeInertEffect(
       makeEffectModel(CSSPropertyFontSize, AnimatableDouble::create(3)));
   InertEffect* inert2 = makeInertEffect(
       makeEffectModel(CSSPropertyZIndex, AnimatableDouble::create(4)));
-  newAnimations.append(inert1);
-  newAnimations.append(inert2);
+  newAnimations.push_back(inert1);
+  newAnimations.push_back(inert2);
   ActiveInterpolationsMap result = EffectStack::activeInterpolations(
       &element->elementAnimations()->effectStack(), &newAnimations, 0,
       KeyframeEffectReadOnly::DefaultPriority);
   EXPECT_EQ(2u, result.size());
   EXPECT_TRUE(interpolationValue(result, CSSPropertyFontSize)
                   ->equals(AnimatableDouble::create(3).get()));
   EXPECT_TRUE(interpolationValue(result, CSSPropertyZIndex)
                   ->equals(AnimatableDouble::create(4).get()));
 }
 
@@ skipping 82 matching lines @@
   interpolations = EffectStack::activeInterpolations(
       &element->elementAnimations()->effectStack(), nullptr, nullptr,
       KeyframeEffectReadOnly::DefaultPriority);
   EXPECT_EQ(1u, interpolations.size());
   EXPECT_TRUE(interpolationValue(interpolations, CSSPropertyFontSize)
                   ->equals(AnimatableDouble::create(3).get()));
   EXPECT_EQ(1u, sampledEffectCount());
 }
 
 }  // namespace blink