Adding a policy for using the uiAccess enabled It2Me binary on Windows

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 ea90d6373928aa7e905e2ecd63142588fa9e3a4c..b3af29089bf52a913fe6def1efa3245eefaf72c2 100644
--- a/remoting/host/policy_watcher.cc
+++ b/remoting/host/policy_watcher.cc
@@ -85,23 +85,34 @@ std::unique_ptr<policy::SchemaRegistry> CreateSchemaRegistry() {
   return schema_registry;
 }
 
+void RetrievePoliciesByNamePrefix(const policy::PolicyMap& current_policies,
+                                  const std::string& policy_name_prefix,
+                                  base::DictionaryValue* policy_dict) {
+  for (const auto& policy_entry : current_policies) {
+    const std::string& key = policy_entry.first;
+    const base::Value* value = policy_entry.second.value.get();
+
+    if (key.find(policy_name_prefix) != std::string::npos) {
+      policy_dict->Set(key, value->CreateDeepCopy());
+    }
+  }
+}
+
 std::unique_ptr<base::DictionaryValue> CopyChromotingPoliciesIntoDictionary(
     const policy::PolicyMap& current) {
-  const char kPolicyNameSubstring[] = "RemoteAccessHost";
+  const char kRemoteAccessHostPolicyNamePrefix[] = "RemoteAccessHost";
+  const char kRemoteAssistanceHostPolicyNamePrefix[] = "RemoteAssistanceHost";
   std::unique_ptr<base::DictionaryValue> policy_dict(
       new base::DictionaryValue());
-  for (const auto& entry : current) {
-    const std::string& key = entry.first;
-    const base::Value* value = entry.second.value.get();
-
-    // Copying only Chromoting-specific policies helps avoid false alarms
-    // raised by NormalizePolicies below (such alarms shutdown the host).
-    // TODO(lukasza): Removing this somewhat brittle filtering will be possible
-    //                after having separate, Chromoting-specific schema.
-    if (key.find(kPolicyNameSubstring) != std::string::npos) {
-      policy_dict->Set(key, value->CreateDeepCopy());
-    }
-  }
+
+  // Copying only Chromoting-specific policies helps avoid false alarms raised
+  // by NormalizePolicies below (such alarms shutdown the host).
+  // TODO(lukasza): Removing this somewhat brittle filtering will be possible
+  //                after having separate, Chromoting-specific schema.
+  RetrievePoliciesByNamePrefix(current, kRemoteAccessHostPolicyNamePrefix,
+                               policy_dict.get());
+  RetrievePoliciesByNamePrefix(current, kRemoteAssistanceHostPolicyNamePrefix,
+                               policy_dict.get());
 
   return policy_dict;
 }
@@ -195,6 +206,7 @@ PolicyWatcher::PolicyWatcher(
   default_values_->SetBoolean(key::kRemoteAccessHostAllowRelayedConnection,
                               true);
   default_values_->SetString(key::kRemoteAccessHostUdpPortRange, "");
+  default_values_->SetBoolean(key::kRemoteAssistanceHostAllowUiAccess, false);
 }
 
 PolicyWatcher::~PolicyWatcher() {