Migrate WTF::Vector::append() to ::push_back() [part 14 of N]

third_party/WebKit/Source/platform/audio/ReverbConvolver.cpp

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 94 matching lines @@
 
     std::unique_ptr<ReverbConvolverStage> stage =
         WTF::wrapUnique(new ReverbConvolverStage(
             response, totalResponseLength, reverbTotalLatency, stageOffset,
             stageSize, fftSize, renderPhase, renderSliceSize,
             &m_accumulationBuffer, useDirectConvolver));
 
     bool isBackgroundStage = false;
 
     if (useBackgroundThreads && stageOffset > RealtimeFrameLimit) {
-      m_backgroundStages.append(std::move(stage));
+      m_backgroundStages.push_back(std::move(stage));
       isBackgroundStage = true;
     } else {
-      m_stages.append(std::move(stage));
+      m_stages.push_back(std::move(stage));
     }
 
     stageOffset += stageSize;
     ++i;
 
     if (!useDirectConvolver) {
       // Figure out next FFT size
       fftSize *= 2;
     }
 
@@ skipping 83 matching lines @@
 
   m_accumulationBuffer.reset();
   m_inputBuffer.reset();
 }
 
 size_t ReverbConvolver::latencyFrames() const {
   return 0;
 }
 
 }  // namespace blink