Add address line 2 as a distinguishing field for Autofill addresses (in WebUI list)

chrome/browser/autofill/autofill_profile.cc

 // Copyright (c) 2011 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 "chrome/browser/autofill/autofill_profile.h"
 
 #include <algorithm>
 #include <map>
 #include <set>
 
@@ skipping 30 matching lines @@
 // list. Otherwise, |excluded_field| is ignored, and should be set to
 // |UNKNOWN_TYPE| by convention. The resulting list of fields is sorted in
 // decreasing order of importance.
 void GetFieldsForDistinguishingProfiles(
     const std::vector<AutofillFieldType>* suggested_fields,
     AutofillFieldType excluded_field,
     std::vector<AutofillFieldType>* distinguishing_fields) {
   static const AutofillFieldType kDefaultDistinguishingFields[] = {
     NAME_FULL,
     ADDRESS_HOME_LINE1,
+    ADDRESS_HOME_LINE2,
     ADDRESS_HOME_CITY,
     ADDRESS_HOME_STATE,
     ADDRESS_HOME_ZIP,
     ADDRESS_HOME_COUNTRY,
     EMAIL_ADDRESS,
     PHONE_HOME_WHOLE_NUMBER,
     PHONE_FAX_WHOLE_NUMBER,
     COMPANY_NAME,
   };
 
@@ skipping 700 matching lines @@
       << UTF16ToUTF8(profile.GetInfo(ADDRESS_HOME_STATE))
       << " "
       << UTF16ToUTF8(profile.GetInfo(ADDRESS_HOME_ZIP))
       << " "
       << UTF16ToUTF8(profile.GetInfo(ADDRESS_HOME_COUNTRY))
       << " "
       << UTF16ToUTF8(MultiString(profile, PHONE_HOME_WHOLE_NUMBER))
       << " "
       << UTF16ToUTF8(MultiString(profile, PHONE_FAX_WHOLE_NUMBER));
 }