[Chromoting] Add a host domain policy to the PolicyWatcher.

remoting/host/policy_hack/policy_watcher_mac.mm

 // 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 "remoting/host/policy_hack/policy_watcher.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 
 #include "base/compiler_specific.h"
 #include "base/mac/scoped_cftyperef.h"
@@ skipping 38 matching lines @@
         base::mac::ScopedCFTypeRef<CFStringRef> policy_key(
             base::SysUTF8ToCFStringRef(policy_name));
         Boolean valid = false;
         bool allowed = CFPreferencesGetAppBooleanValue(policy_key,
                                                        policy_bundle_id,
                                                        &valid);
         if (valid) {
           policy.SetBoolean(policy_name, allowed);
         }
       }
+      // TODO(simonmorris): Read policies whose names are in kStringPolicyNames.
     }
 
     // Set policy. Policy must be set (even if it is empty) so that the
     // default policy is picked up the first time reload is called.
     UpdatePolicies(&policy);
 
     // Reschedule task.
     ScheduleFallbackReloadTask();
   }
 };
 
 PolicyWatcher* PolicyWatcher::Create(
         scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   return new PolicyWatcherMac(task_runner);
 }
 
 }  // namespace policy_hack
 }  // namespace remoting