Remove legacy StartsWithASCII function.

components/translate/core/browser/translate_prefs.cc

 // Copyright 2014 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 "components/translate/core/browser/translate_prefs.h"
 
 #include <set>
 
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 493 matching lines @@
   for (std::vector<std::string>::const_iterator it =
            blacklisted_languages.begin();
        it != blacklisted_languages.end(); ++it) {
     result.insert(*it);
   }
 
   const std::string& app_locale =
       TranslateDownloadManager::GetInstance()->application_locale();
   std::string ui_lang = TranslateDownloadManager::GetLanguageCode(app_locale);
   bool is_ui_english =
-      ui_lang == "en" || base::StartsWithASCII(ui_lang, "en-", false);
+      ui_lang == "en" ||
+      base::StartsWith(ui_lang, "en-", base::CompareCase::INSENSITIVE_ASCII);
 
   for (std::vector<std::string>::const_iterator it = accept_languages.begin();
        it != accept_languages.end(); ++it) {
     std::string lang = *it;
     translate::ToTranslateLanguageSynonym(&lang);
 
     // Regarding http://crbug.com/36182, even though English exists in Accept
     // language list, English could be translated on non-English locale.
     if (lang == "en" && !is_ui_english)
       continue;
@@ skipping 50 matching lines @@
   const base::ListValue* blacklist = prefs_->GetList(pref_id);
   return (blacklist == NULL || blacklist->empty());
 }
 
 bool TranslatePrefs::IsDictionaryEmpty(const char* pref_id) const {
   const base::DictionaryValue* dict = prefs_->GetDictionary(pref_id);
   return (dict == NULL || dict->empty());
 }
 
 }  // namespace translate