Remove the Vector::append overload that takes a Vector

Source/platform/FileChooser.cpp

 /*
  * Copyright (C) 2007, 2008 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 85 matching lines @@
         return;
 
     if (m_client)
         m_client->filesChosen(files);
 }
 
 Vector<String> FileChooserSettings::acceptTypes() const
 {
     Vector<String> acceptTypes;
     acceptTypes.reserveCapacity(acceptMIMETypes.size() + acceptFileExtensions.size());
-    acceptTypes.append(acceptMIMETypes);
-    acceptTypes.append(acceptFileExtensions);
+    acceptTypes.appendVector(acceptMIMETypes);
+    acceptTypes.appendVector(acceptFileExtensions);
     return acceptTypes;
 }
 
 }