Migrate WTF::Vector::append() to ::push_back() [part 13 of N]

third_party/WebKit/Source/modules/mediasource/SourceBuffer.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 754 matching lines @@
   // Implementation of Initialization Segment Received, see
   // https://w3c.github.io/media-source/#sourcebuffer-init-segment-received
 
   // Sort newTracks into audio and video tracks to facilitate implementation
   // of subsequent steps of this algorithm.
   Vector<MediaTrackInfo> newAudioTracks;
   Vector<MediaTrackInfo> newVideoTracks;
   for (const MediaTrackInfo& trackInfo : newTracks) {
     const TrackBase* track = nullptr;
     if (trackInfo.trackType == WebMediaPlayer::AudioTrack) {
-      newAudioTracks.append(trackInfo);
+      newAudioTracks.push_back(trackInfo);
       if (m_firstInitializationSegmentReceived)
         track = findExistingTrackById(audioTracks(), trackInfo.id);
     } else if (trackInfo.trackType == WebMediaPlayer::VideoTrack) {
-      newVideoTracks.append(trackInfo);
+      newVideoTracks.push_back(trackInfo);
       if (m_firstInitializationSegmentReceived)
         track = findExistingTrackById(videoTracks(), trackInfo.id);
     } else {
       BLINK_SBLOG << __func__ << " this=" << this
                   << " failed: unsupported track type " << trackInfo.trackType;
       // TODO(servolk): Add handling of text tracks.
       NOTREACHED();
     }
     if (m_firstInitializationSegmentReceived && !track) {
       BLINK_SBLOG << __func__ << " this=" << this
@@ skipping 509 matching lines @@
   visitor->trace(m_asyncEventQueue);
   visitor->trace(m_appendBufferAsyncPartRunner);
   visitor->trace(m_removeAsyncPartRunner);
   visitor->trace(m_audioTracks);
   visitor->trace(m_videoTracks);
   EventTargetWithInlineData::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink