Remove legacy StartsWithASCII function.

components/autofill/content/renderer/form_autofill_util.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 "components/autofill/content/renderer/form_autofill_util.h"
 
 #include <map>
 #include <set>
 
 #include "base/command_line.h"
@@ skipping 1294 matching lines @@
   // false positives found on the non-checkout web. See http://crbug.com/462375
   // For now this early abort only applies to English-language pages, because
   // the regex is not translated. Note that an empty "lang" attribute counts as
   // English. A potential problem is that this only checks document.title(), but
   // should actually check the main frame's title. Thus it may make bad
   // decisions for iframes.
   WebElement html_element = document.documentElement();
   std::string lang;
   if (!html_element.isNull())
     lang = html_element.getAttribute("lang").utf8();
-  if ((lang.empty() || base::StartsWithASCII(lang, "en", false)) &&
+  if ((lang.empty() ||
+       base::StartsWith(lang, "en", base::CompareCase::INSENSITIVE_ASCII)) &&
       !MatchesPattern(document.title(),
           base::UTF8ToUTF16("payment|checkout|address|delivery|shipping"))) {
     return false;
   }
 
   form->origin = document.url();
   form->is_form_tag = false;
 
   return FormOrFieldsetsToFormData(nullptr, element, fieldsets,
                                    control_elements, extract_mask, form, field);
@@ skipping 214 matching lines @@
         autofill::GetTextSelectionStart(suggestion, user_input, false);
     // Zero selection start is for password manager, which can show usernames
     // that do not begin with the user input value.
     selection_start = (offset == base::string16::npos) ? 0 : offset;
   }
 
   input_element->setSelectionRange(selection_start, suggestion.length());
 }
 
 }  // namespace autofill