Move IsStringUTF8/ASCII to base namespace

chrome/browser/net/firefox_proxy_settings.cc

 // Copyright 2013 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 "chrome/browser/net/firefox_proxy_settings.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_tokenizer.h"
@@ skipping 100 matching lines @@
       prefs->SetBoolean(key, is_value_true);
       continue;
     }
 
     // Value could be a string.
     if (value.size() >= 2U &&
         value[0] == '"' && value[value.size() - 1] == '"') {
       value = value.substr(1, value.size() - 2);
       // ValueString only accept valid UTF-8.  Simply ignore that entry if it is
       // not UTF-8.
-      if (IsStringUTF8(value))
+      if (base::IsStringUTF8(value))
         prefs->SetString(key, value);
       else
         VLOG(1) << "Non UTF8 value for key " << key << ", ignored.";
       continue;
     }
 
     // Or value could be an integer.
     int int_value = 0;
     if (base::StringToInt(value, &int_value)) {
       prefs->SetInteger(key, int_value);
@@ skipping 167 matching lines @@
       while (string_tok.GetNext()) {
         std::string token = string_tok.token();
         base::TrimWhitespaceASCII(token, base::TRIM_ALL, &token);
         if (!token.empty())
           settings->proxy_bypass_list_.push_back(token);
       }
     }
   }
   return true;
 }