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

chrome/browser/sessions/restore_on_startup_policy_handler_unittest.cc

 // Copyright 2013 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 <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_value_map.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/browser/sessions/restore_on_startup_policy_handler.h"
 #include "chrome/common/pref_names.h"
 #include "components/policy/core/browser/configuration_policy_handler.h"
 #include "components/policy/core/browser/policy_error_map.h"
 #include "components/policy/core/common/policy_map.h"
+#include "components/policy/core/common/policy_types.h"
 #include "grit/components_strings.h"
 #include "policy/policy_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace policy {
 
 class RestoreOnStartupPolicyHandlerTest : public testing::Test {
  protected:
   void SetPolicyValue(const std::string& policy, base::Value* value) {
     policies_.Set(
-        policy, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, value, NULL);
+        policy, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
+        value, nullptr);
   }
   bool CheckPolicySettings() {
     return handler_.CheckPolicySettings(policies_, &errors_);
   }
   void ApplyPolicySettings() {
     handler_.ApplyPolicySettings(policies_, &prefs_);
   }
   PolicyErrorMap& errors() { return errors_; }
   PrefValueMap& prefs() { return prefs_; }
 
@@ skipping 241 matching lines @@
   EXPECT_TRUE(prefs().GetValue(prefs::kURLsToRestoreOnStartup, &url_result));
   base::ListValue* url_list_result;
   EXPECT_TRUE(url_result->GetAsList(&url_list_result));
   EXPECT_EQ(1U, url_list_result->GetSize());
   std::string expected_url;
   EXPECT_TRUE(url_list_result->GetString(0, &expected_url));
   EXPECT_EQ(std::string("http://foo.com"), expected_url);
 }
 
 }  // namespace policy