Making parameter to set_quote_chars in string_tokenizer.h a template parameter.

base/string_tokenizer.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef BASE_STRING_TOKENIZER_H_
 #define BASE_STRING_TOKENIZER_H_
 
 #include <string>
 
 // StringTokenizerT is a simple string tokenizer class.  It works like an
@@ skipping 86 matching lines @@
   }
 
   // Set the options for this tokenizer.  By default, this is 0.
   void set_options(int options) { options_ = options; }
 
   // Set the characters to regard as quotes.  By default, this is empty.  When
   // a quote char is encountered, the tokenizer will switch into a mode where
   // it ignores delimiters that it finds.  It switches out of this mode once it
   // finds another instance of the quote char.  If a backslash is encountered
   // within a quoted string, then the next character is skipped.
-  void set_quote_chars(const std::string& quotes) { quotes_ = quotes; }
+  void set_quote_chars(const str& quotes) { quotes_ = quotes; }
 
   // Call this method to advance the tokenizer to the next delimiter.  This
   // returns false if the tokenizer is complete.  This method must be called
   // before calling any of the token* methods.
   bool GetNext() {
     AdvanceState state;
     token_is_delim_ = false;
     for (;;) {
       token_begin_ = token_end_;
       if (token_end_ == end_)
@@ skipping 76 matching lines @@
 };
 
 typedef StringTokenizerT<std::string, std::string::const_iterator>
     StringTokenizer;
 typedef StringTokenizerT<std::wstring, std::wstring::const_iterator>
     WStringTokenizer;
 typedef StringTokenizerT<std::string, const char*> CStringTokenizer;
 
 #endif  // BASE_STRING_TOKENIZER_H_