Add source column to chrome://policy showing the origins of policies.

remoting/host/policy_watcher_unittest.cc

 // Copyright 2015 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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 168 matching lines @@
     base::RunLoop().RunUntilIdle();
   }
 
   void SetPolicies(const base::DictionaryValue& dict) {
     // Copy |dict| into |policy_bundle|.
     policy::PolicyNamespace policy_namespace =
         policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME, std::string());
     policy::PolicyBundle policy_bundle;
     policy::PolicyMap& policy_map = policy_bundle.Get(policy_namespace);
     policy_map.LoadFrom(&dict, policy::POLICY_LEVEL_MANDATORY,
-                        policy::POLICY_SCOPE_MACHINE);
+                        policy::POLICY_SCOPE_MACHINE,
+                        policy::POLICY_SOURCE_CLOUD);
 
     // Simulate a policy file/registry/preference update.
     policy_loader_->SetPolicies(policy_bundle);
     policy_loader_->PostReloadOnBackgroundThread(true /* force reload asap */);
     base::RunLoop().RunUntilIdle();
   }
 
   const policy::Schema* GetPolicySchema() {
     return policy_watcher_->GetPolicySchema();
   }
@@ skipping 549 matching lines @@
   }
 
   // Today, the only verification offered by this test is:
   // - Manual verification of policy values dumped by OnPolicyUpdatedDumpPolicy
   // - Automated verification that nothing crashed
 }
 
 #endif
 
 }  // namespace remoting