Add a flag to ignore autocomplete="off" for Autofill.

components/autofill/core/browser/autocomplete_history_manager.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/core/browser/autocomplete_history_manager.h"
 
 #include <vector>
 
 #include "base/prefs/pref_service.h"
 #include "base/profiler/scoped_profile.h"
@@ skipping 69 matching lines @@
   const WDResult<std::vector<base::string16> >* autofill_result =
       static_cast<const WDResult<std::vector<base::string16> >*>(result);
   std::vector<base::string16> suggestions = autofill_result->GetValue();
   SendSuggestions(&suggestions);
 }
 
 void AutocompleteHistoryManager::OnGetAutocompleteSuggestions(
     int query_id,
     const base::string16& name,
     const base::string16& prefix,
-    const std::string form_control_type,
+    const std::string& form_control_type,
     const std::vector<base::string16>& autofill_values,
     const std::vector<base::string16>& autofill_labels,
     const std::vector<base::string16>& autofill_icons,
     const std::vector<int>& autofill_unique_ids) {
   CancelPendingQuery();
 
   query_id_ = query_id;
   autofill_values_ = autofill_values;
   autofill_labels_ = autofill_labels;
   autofill_icons_ = autofill_icons;
@@ skipping 93 matching lines @@
                                             autofill_unique_ids_);
 
   query_id_ = 0;
   autofill_values_.clear();
   autofill_labels_.clear();
   autofill_icons_.clear();
   autofill_unique_ids_.clear();
 }
 
 }  // namespace autofill