Migrate WTF::Vector::append() to ::push_back() [part 3 of N]

third_party/WebKit/Source/core/css/CSSVariableData.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/CSSVariableData.h"
 
 #include "core/css/CSSSyntaxDescriptor.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/css/parser/CSSParserTokenRange.h"
 #include "wtf/text/StringBuilder.h"
@@ skipping 11 matching lines @@
 }
 
 template <typename CharacterType>
 void CSSVariableData::updateTokens(const CSSParserTokenRange& range) {
   const CharacterType* currentOffset =
       m_backingString.getCharacters<CharacterType>();
   for (const CSSParserToken& token : range) {
     if (token.hasStringBacking()) {
       unsigned length = token.value().length();
       StringView string(currentOffset, length);
-      m_tokens.append(token.copyWithUpdatedString(string));
+      m_tokens.push_back(token.copyWithUpdatedString(string));
       currentOffset += length;
     } else {
-      m_tokens.append(token);
+      m_tokens.push_back(token);
     }
   }
   ASSERT(currentOffset ==
          m_backingString.getCharacters<CharacterType>() +
              m_backingString.length());
 }
 
 bool CSSVariableData::operator==(const CSSVariableData& other) const {
   return tokens() == other.tokens();
 }
@@ skipping 24 matching lines @@
   consumeAndUpdateTokens(range);
 }
 
 const CSSValue* CSSVariableData::parseForSyntax(
     const CSSSyntaxDescriptor& syntax) const {
   DCHECK(!needsVariableResolution());
   return syntax.parse(tokenRange(), m_isAnimationTainted);
 }
 
 }  // namespace blink