Store the language code for the address in autofill profile.

components/autofill/core/browser/autofill_profile.cc

Index: components/autofill/core/browser/autofill_profile.cc
diff --git a/components/autofill/core/browser/autofill_profile.cc b/components/autofill/core/browser/autofill_profile.cc
index 3e7e7aa14c5a5195f8b7fa5bca780f49c3c042a7..02d6197e8176a0128b5d24ea78b932e329d3c1ef 100644
--- a/components/autofill/core/browser/autofill_profile.cc
+++ b/components/autofill/core/browser/autofill_profile.cc
@@ -262,6 +262,7 @@ AutofillProfile& AutofillProfile::operator=(const AutofillProfile& profile) {
     phone_number_[i].set_profile(this);
 
   address_ = profile.address_;
+  set_language_code(profile.language_code());
 
   return *this;
 }
@@ -401,7 +402,6 @@ bool AutofillProfile::IsPresentButInvalid(ServerFieldType type) const {
   }
 }
 
-
 int AutofillProfile::Compare(const AutofillProfile& profile) const {
   const ServerFieldType single_value_types[] = {
     COMPANY_NAME,
@@ -447,12 +447,22 @@ int AutofillProfile::Compare(const AutofillProfile& profile) const {
   return 0;
 }
 
-bool AutofillProfile::operator==(const AutofillProfile& profile) const {
+bool AutofillProfile::EqualsSansOrigin(const AutofillProfile& profile) const {
   return guid() == profile.guid() &&
-         origin() == profile.origin() &&
+         language_code() == profile.language_code() &&
+         Compare(profile) == 0;
+}
+
+bool AutofillProfile::EqualsSansGuid(const AutofillProfile& profile) const {
+  return origin() == profile.origin() &&
+         language_code() == profile.language_code() &&
          Compare(profile) == 0;
 }
 
+bool AutofillProfile::operator==(const AutofillProfile& profile) const {
+  return guid() == profile.guid() && EqualsSansGuid(profile);
+}
+
 bool AutofillProfile::operator!=(const AutofillProfile& profile) const {
   return !operator==(profile);
 }
@@ -500,6 +510,7 @@ void AutofillProfile::OverwriteWithOrAddTo(const AutofillProfile& profile,
   // Verified profiles should never be overwritten with unverified data.
   DCHECK(!IsVerified() || profile.IsVerified());
   set_origin(profile.origin());
+  set_language_code(profile.language_code());
 
   ServerFieldTypeSet field_types;
   profile.GetNonEmptyTypes(app_locale, &field_types);
@@ -845,6 +856,8 @@ std::ostream& operator<<(std::ostream& os, const AutofillProfile& profile) {
       << " "
       << UTF16ToUTF8(profile.GetRawInfo(ADDRESS_HOME_COUNTRY))
       << " "
+      << profile.language_code()
+      << " "
       << UTF16ToUTF8(MultiString(profile, PHONE_HOME_WHOLE_NUMBER));
 }