Revert 289312 "Move StringToUpperASCII and LowerCaseEqualsASCII ..."

trunk/src/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 88 matching lines @@
     size_t stop_value = line.find(");", start_value + 1);
     if (stop_value == std::string::npos) {
       LOG(ERROR) << "Invalid value found in Firefox pref file '" <<
           pref_file.value() << "' line is '" << line << "'.";
       continue;
     }
     std::string value = line.substr(start_value + 1,
                                     stop_value - start_value - 1);
     base::TrimWhitespace(value, base::TRIM_ALL, &value);
     // Value could be a boolean.
-    bool is_value_true = base::LowerCaseEqualsASCII(value, "true");
-    if (is_value_true || base::LowerCaseEqualsASCII(value, "false")) {
+    bool is_value_true = LowerCaseEqualsASCII(value, "true");
+    if (is_value_true || LowerCaseEqualsASCII(value, "false")) {
       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.
@@ skipping 178 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;
 }