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

chrome/browser/chromeos/policy/user_cloud_policy_store_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/user_cloud_policy_store_chromeos.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chromeos/dbus/mock_cryptohome_client.h"
 #include "chromeos/dbus/mock_session_manager_client.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "components/policy/core/common/cloud/mock_cloud_policy_store.h"
 #include "components/policy/core/common/cloud/policy_builder.h"
+#include "components/policy/core/common/policy_types.h"
 #include "policy/policy_constants.h"
 #include "policy/proto/cloud_policy.pb.h"
 #include "policy/proto/device_management_local.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace em = enterprise_management;
 
 using testing::AllOf;
 using testing::AnyNumber;
@@ skipping 118 matching lines @@
     Mock::VerifyAndClearExpectations(&session_manager_client_);
     ASSERT_FALSE(store_callback.is_null());
 
     // The new policy shouldn't be present yet.
     PolicyMap previous_policy;
     EXPECT_EQ(previous_value != NULL, store_->policy() != NULL);
     if (previous_value) {
       previous_policy.Set(key::kHomepageLocation,
                           POLICY_LEVEL_MANDATORY,
                           POLICY_SCOPE_USER,
+                          POLICY_SOURCE_CLOUD,
                           new base::StringValue(previous_value), NULL);
     }
     EXPECT_TRUE(previous_policy.Equals(store_->policy_map()));
     EXPECT_EQ(CloudPolicyStore::STATUS_OK, store_->status());
 
     // Store the new public key so that the validation after the retrieve
     // operation completes can verify the signature.
     if (new_public_key)
       StoreUserPolicyKey(*new_public_key);
 
@@ skipping 498 matching lines @@
   Mock::VerifyAndClearExpectations(&cryptohome_client_);
 
   EXPECT_FALSE(store_->policy());
   EXPECT_TRUE(store_->policy_map().empty());
   EXPECT_EQ(CloudPolicyStore::STATUS_VALIDATION_ERROR, store_->status());
 }
 
 }  // namespace
 
 }  // namespace policy