Store the language code for the address in autofill profile.

components/autofill/core/browser/personal_data_manager_unittest.cc

 // Copyright 2013 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 <string>
 
 #include "base/basictypes.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/guid.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 2521 matching lines @@
   personal_data_->RemoveByGUID(moose.guid());
   AutofillProfile space_invader(base::GenerateGUID(), "Chrome settings");
   test::SetProfileInfo(&space_invader, "Marty", "", "Martian",
       "mm@example.com", "", "1 Flying Object", "", "Valles Marineris", "",
       "", "XX", "");
   personal_data_->AddProfile(moose);
   ResetPersonalDataManager(USER_MODE_NORMAL);
   EXPECT_EQ("MX", personal_data_->GetDefaultCountryCodeForNewAddress());
 }
 
+TEST_F(PersonalDataManagerTest, UpdateLanguageCodeInProfile) {
+  AutofillProfile profile(base::GenerateGUID(), "https://www.example.com");
+  test::SetProfileInfo(&profile,
+      "Marion", "Mitchell", "Morrison",
+      "johnwayne@me.xyz", "Fox", "123 Zoo St.", "unit 5", "Hollywood", "CA",
+      "91601", "US", "12345678910");
+  personal_data_->AddProfile(profile);
+
+  EXPECT_CALL(personal_data_observer_, OnPersonalDataChanged())
+      .WillOnce(QuitMainMessageLoop());
+  base::MessageLoop::current()->Run();
+
+  profile.set_language_code("en");
+  personal_data_->UpdateProfile(profile);
+
+  EXPECT_CALL(personal_data_observer_, OnPersonalDataChanged())
+      .WillOnce(QuitMainMessageLoop());
+  base::MessageLoop::current()->Run();
+
+  const std::vector<AutofillProfile*>& results = personal_data_->GetProfiles();
+  ASSERT_EQ(1U, results.size());
+  EXPECT_EQ(0, profile.Compare(*results[0]));
+  EXPECT_EQ("en", results[0]->language_code());
+}
+
 }  // namespace autofill