Fix some case-insensitive cases for StartsWith

components/omnibox/base_search_provider.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/omnibox/base_search_provider.h"
 
 #include "base/i18n/case_conversion.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
@@ skipping 225 matching lines @@
   // suggestion, non-Search results will suddenly appear.
   if (input.type() == metrics::OmniboxInputType::FORCED_QUERY)
     match.fill_into_edit.assign(base::ASCIIToUTF16("?"));
   if (suggestion.from_keyword_provider())
     match.fill_into_edit.append(match.keyword + base::char16(' '));
   // We only allow inlinable navsuggestions that were received before the
   // last keystroke because we don't want asynchronous inline autocompletions.
   if (!input.prevent_inline_autocomplete() &&
       !suggestion.received_after_last_keystroke() &&
       (!in_keyword_mode || suggestion.from_keyword_provider()) &&
-      base::StartsWith(suggestion.suggestion(), input.text(), false)) {
+      base::StartsWith(
+          base::i18n::ToLower(suggestion.suggestion()),
+          base::i18n::ToLower(input.text()), base::CompareCase::SENSITIVE)) {
     match.inline_autocompletion =
         suggestion.suggestion().substr(input.text().length());
     match.allowed_to_be_default_match = true;
   }
   match.fill_into_edit.append(suggestion.suggestion());
 
   const TemplateURLRef& search_url = template_url->url_ref();
   DCHECK(search_url.SupportsReplacement(search_terms_data));
   match.search_terms_args.reset(
       new TemplateURLRef::SearchTermsArgs(suggestion.suggestion()));
@@ skipping 217 matching lines @@
 }
 
 void BaseSearchProvider::OnDeletionComplete(
     bool success, SuggestionDeletionHandler* handler) {
   RecordDeletionResult(success);
   SuggestionDeletionHandlers::iterator it = std::find(
       deletion_handlers_.begin(), deletion_handlers_.end(), handler);
   DCHECK(it != deletion_handlers_.end());
   deletion_handlers_.erase(it);
 }