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

chrome/browser/extensions/api/storage/policy_value_store_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/extensions/api/storage/policy_value_store.h"
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "components/policy/core/common/external_data_fetcher.h"
 #include "components/policy/core/common/policy_map.h"
+#include "components/policy/core/common/policy_types.h"
 #include "content/public/test/test_browser_thread.h"
 #include "extensions/browser/api/storage/settings_observer.h"
 #include "extensions/browser/value_store/leveldb_value_store.h"
 #include "extensions/browser/value_store/value_store_unittest.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::_;
 using testing::Mock;
 
@@ skipping 88 matching lines @@
   content::TestBrowserThread file_thread_;
   scoped_ptr<PolicyValueStore> store_;
   MockSettingsObserver observer_;
   scoped_refptr<SettingsObserverList> observers_;
 };
 
 TEST_F(PolicyValueStoreTest, DontProvideRecommendedPolicies) {
   policy::PolicyMap policies;
   base::FundamentalValue expected(123);
   policies.Set("must", policy::POLICY_LEVEL_MANDATORY,
-               policy::POLICY_SCOPE_USER, expected.DeepCopy(), NULL);
+               policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
+               expected.DeepCopy(), nullptr);
   policies.Set("may", policy::POLICY_LEVEL_RECOMMENDED,
-               policy::POLICY_SCOPE_USER,
+               policy::POLICY_SCOPE_USER, policy::POLICY_SOURCE_CLOUD,
                new base::FundamentalValue(456), NULL);
   store_->SetCurrentPolicy(policies);
   ValueStore::ReadResult result = store_->Get();
   ASSERT_FALSE(result->HasError());
   EXPECT_EQ(1u, result->settings().size());
   base::Value* value = NULL;
   EXPECT_FALSE(result->settings().Get("may", &value));
   EXPECT_TRUE(result->settings().Get("must", &value));
   EXPECT_TRUE(base::Value::Equals(&expected, value));
 }
@@ skipping 22 matching lines @@
     ValueStoreChangeList changes;
     changes.push_back(ValueStoreChange("aaa", NULL, value.DeepCopy()));
     EXPECT_CALL(observer_,
                 OnSettingsChanged(kTestExtensionId,
                                   settings_namespace::MANAGED,
                                   ValueStoreChange::ToJson(changes)));
   }
 
   policy::PolicyMap policies;
   policies.Set("aaa", policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
-               value.DeepCopy(), NULL);
+               policy::POLICY_SOURCE_CLOUD, value.DeepCopy(), nullptr);
   store_->SetCurrentPolicy(policies);
   loop_.RunUntilIdle();
   Mock::VerifyAndClearExpectations(&observer_);
 
   // Notify when new policies are added.
   {
     ValueStoreChangeList changes;
     changes.push_back(ValueStoreChange("bbb", NULL, value.DeepCopy()));
     EXPECT_CALL(observer_,
                 OnSettingsChanged(kTestExtensionId,
                                   settings_namespace::MANAGED,
                                   ValueStoreChange::ToJson(changes)));
   }
 
   policies.Set("bbb", policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
-               value.DeepCopy(), NULL);
+               policy::POLICY_SOURCE_CLOUD, value.DeepCopy(), nullptr);
   store_->SetCurrentPolicy(policies);
   loop_.RunUntilIdle();
   Mock::VerifyAndClearExpectations(&observer_);
 
   // Notify when policies change.
   const base::StringValue new_value("222");
   {
     ValueStoreChangeList changes;
     changes.push_back(
         ValueStoreChange("bbb", value.DeepCopy(), new_value.DeepCopy()));
     EXPECT_CALL(observer_,
                 OnSettingsChanged(kTestExtensionId,
                                   settings_namespace::MANAGED,
                                   ValueStoreChange::ToJson(changes)));
   }
 
   policies.Set("bbb", policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
-               new_value.DeepCopy(), NULL);
+               policy::POLICY_SOURCE_CLOUD, new_value.DeepCopy(), nullptr);
   store_->SetCurrentPolicy(policies);
   loop_.RunUntilIdle();
   Mock::VerifyAndClearExpectations(&observer_);
 
   // Notify when policies are removed.
   {
     ValueStoreChangeList changes;
     changes.push_back(ValueStoreChange("bbb", new_value.DeepCopy(), NULL));
     EXPECT_CALL(observer_,
                 OnSettingsChanged(kTestExtensionId,
                                   settings_namespace::MANAGED,
                                   ValueStoreChange::ToJson(changes)));
   }
 
   policies.Erase("bbb");
   store_->SetCurrentPolicy(policies);
   loop_.RunUntilIdle();
   Mock::VerifyAndClearExpectations(&observer_);
 
   // Don't notify when there aren't any changes.
   EXPECT_CALL(observer_, OnSettingsChanged(_, _, _)).Times(0);
   store_->SetCurrentPolicy(policies);
   loop_.RunUntilIdle();
   Mock::VerifyAndClearExpectations(&observer_);
 }
 
 }  // namespace extensions