[Autofill] Remove longest common prefix from field names when running heuristics.

components/autofill/core/browser/autofill_field.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/autofill_field.h"
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/i18n/string_search.h"
@@ skipping 425 matching lines @@
 AutofillField::AutofillField(const FormFieldData& field,
                              const base::string16& unique_name)
     : FormFieldData(field),
       unique_name_(unique_name),
       server_type_(NO_SERVER_DATA),
       heuristic_type_(UNKNOWN_TYPE),
       html_type_(HTML_TYPE_UNSPECIFIED),
       html_mode_(HTML_MODE_NONE),
       phone_part_(IGNORED),
       credit_card_number_offset_(0),
-      previously_autofilled_(false) {}
+      previously_autofilled_(false),
+      parseable_name_(field.name) {}
 
 AutofillField::~AutofillField() {}
 
 void AutofillField::set_heuristic_type(ServerFieldType type) {
   if (type >= 0 && type < MAX_VALID_FIELD_TYPE &&
       type != FIELD_WITH_DEFAULT_VALUE) {
     heuristic_type_ = type;
   } else {
     NOTREACHED();
     // This case should not be reachable; but since this has potential
@@ skipping 139 matching lines @@
     if (compare.StringsEqual(value_stripped, option_contents)) {
       if (index)
         *index = i;
       return true;
     }
   }
   return false;
 }
 
 }  // namespace autofill