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

third_party/WebKit/Source/platform/image-decoders/gif/GIFImageReader.h

 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 180 matching lines @@
         m_interlaced(false),
         m_delayTime(0),
         m_currentLzwBlock(0),
         m_isComplete(false),
         m_isHeaderDefined(false),
         m_isDataSizeDefined(false) {}
 
   ~GIFFrameContext() {}
 
   void addLzwBlock(size_t position, size_t size) {
-    m_lzwBlocks.append(GIFLZWBlock(position, size));
+    m_lzwBlocks.push_back(GIFLZWBlock(position, size));
   }
 
   bool decode(blink::FastSharedBufferReader*,
               blink::GIFImageDecoder* client,
               bool* frameDecoded);
 
   int frameId() const { return m_frameId; }
   void setRect(unsigned x, unsigned y, unsigned width, unsigned height) {
     m_xOffset = x;
     m_yOffset = y;
@@ skipping 142 matching lines @@
   int m_loopCount;  // Netscape specific extension block to control the number
                     // of animation loops a GIF renders.
 
   Vector<std::unique_ptr<GIFFrameContext>> m_frames;
 
   RefPtr<blink::SegmentReader> m_data;
   bool m_parseCompleted;
 };
 
 #endif