[Policy Experimental] Add "recommended" policies for URL exceptions.

chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc

Index: chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc
diff --git a/chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc b/chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc
index eafe096e86707baeeeb53cfc3e8f2fb812561e99..eeb97dabbe30ca5904738f357abd3cef907ad1fd 100644
--- a/chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc
+++ b/chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc
@@ -381,7 +381,7 @@ void CloudExternalDataManagerBase::OnPolicyStoreLoaded() {
   scoped_ptr<Metadata> metadata(new Metadata);
   const PolicyMap& policy_map = policy_store_->policy_map();
   for (PolicyMap::const_iterator it = policy_map.begin();
-       it != policy_map.end(); ++it) {
+       it != policy_map.end(); policy_map.next_dominant(&it)) {
     if (!it->second.external_data_fetcher) {
       // Skip policies that do not reference external data.
       continue;
@@ -397,7 +397,7 @@ void CloudExternalDataManagerBase::OnPolicyStoreLoaded() {
         base::HexStringToBytes(hex_hash, &hash)) {
       // Add the external data reference to |metadata| if it is valid (URL and
       // hash are not empty, hash can be decoded as a hex string).
-      (*metadata)[it->first] =
+      (*metadata)[it->first.name] =
           MetadataEntry(url, std::string(hash.begin(), hash.end()));
     }
   }