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

remoting/host/policy_watcher.cc

Index: remoting/host/policy_watcher.cc
diff --git a/remoting/host/policy_watcher.cc b/remoting/host/policy_watcher.cc
index 3c3cfb5d7740656d21142541f0a60dc52dfd79db..9f5c1be3ea17336465ad676c0ea81f9c1cb67303 100644
--- a/remoting/host/policy_watcher.cc
+++ b/remoting/host/policy_watcher.cc
@@ -88,8 +88,9 @@ scoped_ptr<base::DictionaryValue> CopyChromotingPoliciesIntoDictionary(
     const policy::PolicyMap& current) {
   const char kPolicyNameSubstring[] = "RemoteAccessHost";
   scoped_ptr<base::DictionaryValue> policy_dict(new base::DictionaryValue());
-  for (auto it = current.begin(); it != current.end(); ++it) {
-    const std::string& key = it->first;
+  for (auto it = current.begin(); it != current.end();
+       current.next_domominant(&it)) {
+    const std::string& key = it->first.name;
     const base::Value* value = it->second.value;
 
     // Copying only Chromoting-specific policies helps avoid false alarms