Move StringToLowerASCII to base namespace

base/i18n/rtl.cc

 // Copyright (c) 2011 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 "base/i18n/rtl.h"
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 15 matching lines @@
   std::string result =
       (language != NULL && *language != '\0') ? language : "und";
 
   if (country != NULL && *country != '\0') {
     result += '-';
     result += country;
   }
 
   if (variant != NULL && *variant != '\0') {
     std::string variant_str(variant);
-    StringToLowerASCII(&variant_str);
+    base::StringToLowerASCII(&variant_str);
     result += '@' + variant_str;
   }
 
   return result;
 }
 
 // Returns LEFT_TO_RIGHT or RIGHT_TO_LEFT if |character| has strong
 // directionality, returns UNKNOWN_DIRECTION if it doesn't. Please refer to
 // http://unicode.org/reports/tr9/ for more information.
 base::i18n::TextDirection GetCharacterDirection(UChar32 character) {
@@ skipping 338 matching lines @@
       begin == kRightToLeftOverride)
     ++begin_index;
   size_t end_index = text.length() - 1;
   if (text[end_index] == kPopDirectionalFormatting)
     --end_index;
   return text.substr(begin_index, end_index - begin_index + 1);
 }
 
 }  // namespace i18n
 }  // namespace base