Store the language code for the address in autofill profile.

components/autofill/core/browser/webdata/autofill_table.h

Index: components/autofill/core/browser/webdata/autofill_table.h
diff --git a/components/autofill/core/browser/webdata/autofill_table.h b/components/autofill/core/browser/webdata/autofill_table.h
index 0a72e814528b3de20202a39493c0f1566a60018d..fef4c1f8a86e9aee67bb7284355d35368219661b 100644
--- a/components/autofill/core/browser/webdata/autofill_table.h
+++ b/components/autofill/core/browser/webdata/autofill_table.h
@@ -65,6 +65,11 @@ struct FormFieldData;
 //                      contiguous.  The canonical example is CEDEX in France.
 //                      Added in version 54.
 //   country_code
+//   language_code      The BCP 47 language code used to format the address for
+//                      display. For example, a JP address with "ja" language
+//                      code starts with the postal code, but a JP address with
+//                      "ja-latn" language code starts with the recipient name.
+//                      Added in version 56.

[Scott Hess - ex-Googler, 2014/03/31 17:46:38]

Put the comment at the end if the code is at the end.  As a general thing, the
ordering of these items in storage is really irrelevant, it's just an
implementation detail.  But this comment appears to be ordered by physical order
currently, so maintain that.

[please use gerrit instead, 2014/04/02 21:54:52]

Done.

 //   date_modified      The date on which this profile was last modified.
 //                      Added in version 30.
 //   origin             The domain of origin for this profile.
@@ -278,6 +283,7 @@ class AutofillTable : public WebDatabaseTable {
   bool MigrateToVersion51AddOriginColumn();
   bool MigrateToVersion54AddI18nFieldsAndRemoveDeprecatedFields();
   bool MigrateToVersion55MergeAutofillDatesTable();
+  bool MigrateToVersion56AddProfileLanguageCodeForFormatting();
 
   // Max data length saved in the table;
   static const size_t kMaxDataLength;