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

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos_unittest.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_cloud_policy_manager_chromeos.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 163 matching lines @@
         &local_state_, &device_management_service_,
         &consumer_device_management_service_,
         base::ThreadTaskRunnerHandle::Get(), install_attributes_.get(),
         &state_keys_broker_, store_, manager_.get()));
     initializer_->Init();
   }
 
   void VerifyPolicyPopulated() {
     PolicyBundle bundle;
     bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
-        .Set(key::kDeviceMetricsReportingEnabled,
-             POLICY_LEVEL_MANDATORY,
-             POLICY_SCOPE_MACHINE,
-             new base::FundamentalValue(false),
-             NULL);
+        .SetWithSource(key::kDeviceMetricsReportingEnabled,
+                       POLICY_LEVEL_MANDATORY,
+                       POLICY_SCOPE_MACHINE,
+                       new base::FundamentalValue(false),
+                       NULL,

[bartfab (slow), 2015/09/14 14:42:25]

Nit: s/NULL/nullptr/

[fhorschig, 2015/09/16 13:52:03]

Done.

+                       POLICY_SOURCE_CLOUD);

[bartfab (slow), 2015/09/14 14:42:25]

Nit: #include "components/policy/core/common/policy_types.h"

[fhorschig, 2015/09/16 13:52:03]

Done.

     EXPECT_TRUE(manager_->policies().Equals(bundle));
   }
 
   void AllowUninterestingRemoteCommandFetches() {
     // We are not interested in remote command fetches that the client initiates
     // automatically. Make them fail and ignore them otherwise.
     EXPECT_CALL(device_management_service_,
                 CreateJob(DeviceManagementRequestJob::TYPE_REMOTE_COMMANDS, _))
         .Times(AnyNumber())
         .WillRepeatedly(device_management_service_.FailJob(
@@ skipping 543 matching lines @@
 
 TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentBlankSystemSaltTest,
        RobotRefreshSaveFailed) {
   // Without the system salt, the robot token can't be stored.
   RunTest();
   ExpectFailedEnrollment(EnrollmentStatus::STATUS_ROBOT_REFRESH_STORE_FAILED);
 }
 
 }  // namespace
 }  // namespace policy