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

chrome/browser/chromeos/policy/device_local_account_policy_provider.cc

 // 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 "chrome/browser/chromeos/policy/device_local_account_policy_provider.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/policy/device_local_account.h"
 #include "chrome/browser/chromeos/policy/device_local_account_external_data_manager.h"
@@ skipping 11 matching lines @@
 DeviceLocalAccountPolicyProvider::DeviceLocalAccountPolicyProvider(
     const std::string& user_id,
     DeviceLocalAccountPolicyService* service,
     scoped_ptr<PolicyMap> chrome_policy_overrides)
     : user_id_(user_id),
       service_(service),
       chrome_policy_overrides_(chrome_policy_overrides.Pass()),
       store_initialized_(false),
       waiting_for_policy_refresh_(false),
       weak_factory_(this) {
+  // As the account originates from cloud, all its policies are set there, too.
+  source_ = POLICY_SOURCE_CLOUD;
   service_->AddObserver(this);
   UpdateFromBroker();
 }
 
 DeviceLocalAccountPolicyProvider::~DeviceLocalAccountPolicyProvider() {
   service_->RemoveObserver(this);
 }
 
 // static
 scoped_ptr<DeviceLocalAccountPolicyProvider>
@@ skipping 121 matching lines @@
   }
 
   // Apply overrides.
   if (chrome_policy_overrides_) {
     PolicyMap& chrome_policy =
         bundle->Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()));
     for (PolicyMap::const_iterator it(chrome_policy_overrides_->begin());
          it != chrome_policy_overrides_->end();
          ++it) {
       const PolicyMap::Entry& entry = it->second;
-      chrome_policy.Set(
-          it->first, entry.level, entry.scope, entry.value->DeepCopy(), NULL);
+      chrome_policy.SetWithSource(it->first,
+                                  entry.level,
+                                  entry.scope,
+                                  entry.value->DeepCopy(),
+                                  NULL,
+                                  POLICY_SOURCE_PROGRAMMATIC);
     }
   }
 
   UpdatePolicy(bundle.Pass());
 }
 
 }  // namespace policy