autocomplete: add ability to get full address (hidden behind a flag).

components/autofill/core/browser/autofill_type.cc

Index: components/autofill/core/browser/autofill_type.cc
diff --git a/components/autofill/core/browser/autofill_type.cc b/components/autofill/core/browser/autofill_type.cc
index 2341d9452a2740f2db02b2845dbf9a5ebf046de3..d10bc04abaea1e02c794e5df22c1bf1dcf1d36e7 100644
--- a/components/autofill/core/browser/autofill_type.cc
+++ b/components/autofill/core/browser/autofill_type.cc
@@ -157,6 +157,7 @@ FieldTypeGroup AutofillType::group() const {
     case HTML_TYPE_COUNTRY_CODE:
     case HTML_TYPE_COUNTRY_NAME:
     case HTML_TYPE_POSTAL_CODE:
+    case HTML_TYPE_FULL_ADDRESS:
       return html_mode_ == HTML_MODE_BILLING ? ADDRESS_BILLING : ADDRESS_HOME;
 
     case HTML_TYPE_CREDIT_CARD_NAME:
@@ -309,6 +310,10 @@ ServerFieldType AutofillType::GetStorableType() const {
     case HTML_TYPE_POSTAL_CODE:
       return ADDRESS_HOME_ZIP;
 
+    // Full address is composed of other types; it can't be stored.
+    case HTML_TYPE_FULL_ADDRESS:
+      return UNKNOWN_TYPE;
+
     case HTML_TYPE_CREDIT_CARD_NAME:
       return CREDIT_CARD_NAME;
 
@@ -614,6 +619,8 @@ std::string AutofillType::ToString() const {
       return "HTML_TYPE_COUNTRY_NAME";
     case HTML_TYPE_POSTAL_CODE:
       return "HTML_TYPE_POSTAL_CODE";
+    case HTML_TYPE_FULL_ADDRESS:
+      return "HTML_TYPE_FULL_ADDRESS";
     case HTML_TYPE_CREDIT_CARD_NAME:
       return "HTML_TYPE_CREDIT_CARD_NAME";
     case HTML_TYPE_CREDIT_CARD_NUMBER: