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

components/policy/core/browser/url_blacklist_policy_handler_unittest.cc

 // Copyright 2014 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/memory/scoped_ptr.h"
 #include "base/prefs/pref_value_map.h"
 #include "base/values.h"
 #include "components/policy/core/browser/policy_error_map.h"
 #include "components/policy/core/browser/url_blacklist_policy_handler.h"
 #include "components/policy/core/common/policy_map.h"
 #include "components/policy/core/common/policy_pref_names.h"
+#include "components/policy/core/common/policy_types.h"
 #include "policy/policy_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // Note: this file should move to components/policy/core/browser, but the
 // components_unittests runner does not load the ResourceBundle as
 // ChromeTestSuite::Initialize does, which leads to failures using
 // PolicyErrorMap.
 
 namespace policy {
 
 namespace {
 
 const char kTestDisabledScheme[] = "kTestDisabledScheme";
 const char kTestBlacklistValue[] = "kTestBlacklistValue";
 
 }  // namespace
 
 class URLBlacklistPolicyHandlerTest : public testing::Test {
  protected:
   void SetPolicy(const std::string& key, base::Value* value) {
-    policies_.Set(key, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, value, NULL);
+    policies_.Set(key, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
+                  POLICY_SOURCE_CLOUD, value, nullptr);
   }
   bool CheckPolicy(const std::string& key, base::Value* value) {
     SetPolicy(key, value);
     return handler_.CheckPolicySettings(policies_, &errors_);
   }
   void ApplyPolicies() {
     handler_.ApplyPolicySettings(policies_, &prefs_);
   }
 
   URLBlacklistPolicyHandler handler_;
@@ skipping 167 matching lines @@
   std::string out1;
   EXPECT_TRUE(out_list->GetString(0U, &out1));
   EXPECT_EQ(kTestDisabledScheme + std::string("://*"), out1);
 
   std::string out2;
   EXPECT_TRUE(out_list->GetString(1U, &out2));
   EXPECT_EQ(kTestBlacklistValue, out2);
 }
 
 }  // namespace policy