autocomplete: support address-line3, address-level{1,2,3}

components/autofill/core/browser/address.cc

Index: components/autofill/core/browser/address.cc
diff --git a/components/autofill/core/browser/address.cc b/components/autofill/core/browser/address.cc
index 5ca29290bfda5b6c4fa9f27a2866438ee7bd1a71..fc2e5a3c6ffc3429eb05d4d6e3e04d0465c3c7ff 100644
--- a/components/autofill/core/browser/address.cc
+++ b/components/autofill/core/browser/address.cc
@@ -49,6 +49,9 @@ base::string16 Address::GetRawInfo(ServerFieldType type) const {
     case ADDRESS_HOME_LINE2:
       return street_address_.size() > 1 ? street_address_[1] : base::string16();
 
+    case ADDRESS_HOME_LINE3:
+      return street_address_.size() > 2 ? street_address_[2] : base::string16();
+
     case ADDRESS_HOME_DEPENDENT_LOCALITY:
       return dependent_locality_;
 
@@ -93,6 +96,13 @@ void Address::SetRawInfo(ServerFieldType type, const base::string16& value) {
       TrimStreetAddress();
       break;
 
+    case ADDRESS_HOME_LINE3:
+      if (street_address_.size() < 3)
+        street_address_.resize(3);
+      street_address_[2] = value;
+      TrimStreetAddress();
+      break;
+
     case ADDRESS_HOME_DEPENDENT_LOCALITY:
       dependent_locality_ = value;
       break;
@@ -201,6 +211,7 @@ void Address::GetMatchingTypes(const base::string16& text,
 void Address::GetSupportedTypes(ServerFieldTypeSet* supported_types) const {
   supported_types->insert(ADDRESS_HOME_LINE1);
   supported_types->insert(ADDRESS_HOME_LINE2);
+  supported_types->insert(ADDRESS_HOME_LINE3);
   supported_types->insert(ADDRESS_HOME_STREET_ADDRESS);
   supported_types->insert(ADDRESS_HOME_DEPENDENT_LOCALITY);
   supported_types->insert(ADDRESS_HOME_CITY);