[Autofill] Support "importing" verified profiles and credit cards.

components/autofill/browser/autofill_profile.cc

 // Copyright (c) 2012 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 "components/autofill/browser/autofill_profile.h"
 
 #include <algorithm>
 #include <functional>
 #include <map>
 #include <ostream>
@@ skipping 487 matching lines @@
                    StringToLowerASCII(profile.GetRawInfo(*iter))) {
       return false;
     }
   }
 
   return true;
 }
 
 void AutofillProfile::OverwriteWithOrAddTo(const AutofillProfile& profile,
                                            const std::string& app_locale) {
+  // Verified profiles should never be overwritten with unverified data.
+  DCHECK(!IsVerified() || profile.IsVerified());
+  set_origin(profile.origin());
+
   FieldTypeSet field_types;
   profile.GetNonEmptyTypes(app_locale, &field_types);
 
   // Only transfer "full" types (e.g. full name) and not fragments (e.g.
   // first name, last name).
   CollapseCompoundFieldTypes(&field_types);
 
   for (FieldTypeSet::const_iterator iter = field_types.begin();
        iter != field_types.end(); ++iter) {
     if (AutofillProfile::SupportsMultiValue(*iter)) {
@@ skipping 342 matching lines @@
       << UTF16ToUTF8(profile.GetRawInfo(ADDRESS_HOME_STATE))
       << " "
       << UTF16ToUTF8(profile.GetRawInfo(ADDRESS_HOME_ZIP))
       << " "
       << UTF16ToUTF8(profile.GetRawInfo(ADDRESS_HOME_COUNTRY))
       << " "
       << UTF16ToUTF8(MultiString(profile, PHONE_HOME_WHOLE_NUMBER));
 }
 
 }  // namespace autofill