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

chrome/browser/extensions/api/enterprise_device_attributes/enterprise_device_attributes_apitest.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/strings/stringprintf.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
 #include "chrome/browser/chromeos/policy/stub_enterprise_install_attributes.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/net/url_request_mock_util.h"
 #include "chromeos/dbus/fake_session_manager_client.h"
 #include "chromeos/login/user_names.h"
 #include "components/policy/core/common/mock_configuration_policy_provider.h"
+#include "components/policy/core/common/policy_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/api_test_utils.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/test_extension_registry_observer.h"
 #include "net/test/url_request/url_request_mock_http_job.h"
 #include "policy/policy_constants.h"
 
 namespace {
 
@@ skipping 73 matching lines @@
     GURL update_manifest_url(
         net::URLRequestMockHTTPJob::GetMockUrl(update_manifest_path));
 
     scoped_ptr<base::ListValue> forcelist(new base::ListValue);
     forcelist->AppendString(base::StringPrintf(
         "%s;%s", kTestExtensionID, update_manifest_url.spec().c_str()));
 
     policy::PolicyMap policy;
     policy.Set(policy::key::kExtensionInstallForcelist,
                policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_MACHINE,
-               forcelist.release(), NULL);
+               policy::POLICY_SOURCE_CLOUD, forcelist.release(), nullptr);
 
     // Set the policy and wait until the extension is installed.
     extensions::TestExtensionRegistryObserver observer(
         ExtensionRegistry::Get(profile()));
     policy_provider_.UpdateChromePolicy(policy);
     observer.WaitForExtensionLoaded();
   }
 
   chromeos::FakeSessionManagerClient* const fake_session_manager_client_;
   policy::MockConfigurationPolicyProvider policy_provider_;
@@ skipping 56 matching lines @@
   const extensions::Extension* extension =
       GetExtensionByPath(registry->enabled_extensions(), extension_path);
   ASSERT_FALSE(extension->install_warnings().empty());
   EXPECT_EQ(
       "'enterprise.deviceAttributes' is not allowed for specified install "
       "location.",
       extension->install_warnings()[0].message);
 }
 
 }  //  namespace extensions