Migrate WTF::Vector::append() to ::push_back() [part 9 of N]

third_party/WebKit/Source/core/layout/BidiRunForLine.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 166 matching lines @@
 
     // If we encountered any nested isolate runs, save them for later
     // processing.
     while (!isolatedResolver.isolatedRuns().isEmpty()) {
       BidiIsolatedRun runWithContext = isolatedResolver.isolatedRuns().back();
       isolatedResolver.isolatedRuns().pop_back();
       topResolver.setMidpointStateForIsolatedRun(
           runWithContext.runToReplace,
           isolatedResolver.midpointStateForIsolatedRun(
               runWithContext.runToReplace));
-      topResolver.isolatedRuns().append(runWithContext);
+      topResolver.isolatedRuns().push_back(runWithContext);
     }
   }
 }
 
 }  // namespace blink