[Autofill] Update unit tests to use country codes when setting raw address info.

chrome/browser/autofill/autofill_metrics_unittest.cc

Index: chrome/browser/autofill/autofill_metrics_unittest.cc
diff --git a/chrome/browser/autofill/autofill_metrics_unittest.cc b/chrome/browser/autofill/autofill_metrics_unittest.cc
index 83f21d8d14ee7de3266c468505fab67820f2479f..b941cfbe0255c26b87ccbe3b5c50a836a4821536 100644
--- a/chrome/browser/autofill/autofill_metrics_unittest.cc
+++ b/chrome/browser/autofill/autofill_metrics_unittest.cc
@@ -126,7 +126,7 @@ class TestPersonalDataManager : public PersonalDataManager {
     autofill_test::SetProfileInfo(profile, "Elvis", "Aaron",
                                   "Presley", "theking@gmail.com", "RCA",
                                   "3734 Elvis Presley Blvd.", "Apt. 10",
-                                  "Memphis", "Tennessee", "38116", "USA",
+                                  "Memphis", "Tennessee", "38116", "US",
                                   "12345678901");
     profile->set_guid("00000000-0000-0000-0000-000000000001");
     profiles->push_back(profile);
@@ -134,7 +134,7 @@ class TestPersonalDataManager : public PersonalDataManager {
     autofill_test::SetProfileInfo(profile, "Charles", "Hardin",
                                   "Holley", "buddy@gmail.com", "Decca",
                                   "123 Apple St.", "unit 6", "Lubbock",
-                                  "Texas", "79401", "USA", "2345678901");
+                                  "Texas", "79401", "US", "2345678901");
     profile->set_guid("00000000-0000-0000-0000-000000000002");
     profiles->push_back(profile);
   }