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

third_party/WebKit/Source/core/animation/InterpolationEffect.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/InterpolationEffect.h"
 
 #include "platform/animation/AnimationUtilities.h"
 
 namespace blink {
 
@@ skipping 10 matching lines @@
       double recordLength = record.m_end - record.m_start;
       double localFraction =
           recordLength ? (fraction - record.m_start) / recordLength : 0.0;
       if (record.m_easing)
         localFraction = record.m_easing->evaluate(
             localFraction, accuracyForDuration(iterationDuration));
       interpolation->interpolate(0, localFraction);
       if (resultIndex < existingSize)
         result[resultIndex++] = interpolation;
       else
-        result.append(interpolation);
+        result.push_back(interpolation);
     }
   }
   if (resultIndex < existingSize)
     result.shrink(resultIndex);
 }
 
 void InterpolationEffect::addInterpolationsFromKeyframes(
     PropertyHandle property,
     const Keyframe::PropertySpecificKeyframe& keyframeA,
     const Keyframe::PropertySpecificKeyframe& keyframeB,
     double applyFrom,
     double applyTo) {
   addInterpolation(keyframeA.createInterpolation(property, keyframeB),
                    &keyframeA.easing(), keyframeA.offset(), keyframeB.offset(),
                    applyFrom, applyTo);
 }
 
 }  // namespace blink