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

third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp

Index: third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp b/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
index fe8639de114c368b583aa512b1ef4d1a93c2bb5e..a5dde58e6cfcbcc3ca0f0da57c5e26a8743a7e50 100644
--- a/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
@@ -177,7 +177,7 @@ AudioBuffer::AudioBuffer(unsigned numberOfChannels,
       return;
 
     channelDataArray->setNeuterable(false);
-    m_channels.append(channelDataArray);
+    m_channels.push_back(channelDataArray);
   }
 }
 
@@ -197,7 +197,7 @@ AudioBuffer::AudioBuffer(AudioBus* bus)
     const float* src = bus->channel(i)->data();
     float* dst = channelDataArray->data();
     memmove(dst, src, m_length * sizeof(*dst));
-    m_channels.append(channelDataArray);
+    m_channels.push_back(channelDataArray);
   }
 }