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

third_party/WebKit/Source/platform/SharedBufferChunkReader.cpp

 /*
  * Copyright (C) 2011 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 65 matching lines @@
   chunk.clear();
   while (true) {
     while (m_segmentIndex < m_segmentLength) {
       char currentCharacter = m_segment[m_segmentIndex++];
       if (currentCharacter != m_separator[m_separatorIndex]) {
         if (m_separatorIndex > 0) {
           SECURITY_DCHECK(m_separatorIndex <= m_separator.size());
           chunk.append(m_separator.data(), m_separatorIndex);
           m_separatorIndex = 0;
         }
-        chunk.append(currentCharacter);
+        chunk.push_back(currentCharacter);
         continue;
       }
       m_separatorIndex++;
       if (m_separatorIndex == m_separator.size()) {
         if (includeSeparator)
           chunk.appendVector(m_separator);
         m_separatorIndex = 0;
         return true;
       }
     }
@@ skipping 44 matching lines @@
       break;
     }
     data.append(segment, segmentLength);
     readBytesCount += segmentLength;
     bufferPosition += segmentLength;
   }
   return readBytesCount;
 }
 
 }  // namespace blink