Use StopChildProcess instead of base::KillProcess to kill a renderer process

chrome/browser/policy/policy_browsertest.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 <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1801 matching lines @@
       SetRestartDelayForForceInstalledAppsAndExtensionsForTesting(0);
   content::WindowedNotificationObserver extension_crashed_observer(
       extensions::NOTIFICATION_EXTENSION_PROCESS_TERMINATED,
       content::NotificationService::AllSources());
   content::WindowedNotificationObserver extension_loaded_observer(
       extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
       content::NotificationService::AllSources());
   extensions::ExtensionHost* extension_host =
       extensions::ProcessManager::Get(browser()->profile())
           ->GetBackgroundHostForExtension(kGoodCrxId);
-  base::KillProcess(extension_host->render_process_host()->GetHandle(),
-                    content::RESULT_CODE_KILLED, false);
+  extension_host->render_process_host()->FastShutdown(
+      content::RESULT_CODE_KILLED, false);
   extension_crashed_observer.Wait();
   extension_loaded_observer.Wait();
 }
 
 IN_PROC_BROWSER_TEST_F(PolicyTest, ExtensionRecommendedInstallationMode) {
   // Verifies that extensions that are recommended-installed by policies are
   // installed, can be disabled but not uninstalled.
   ExtensionService* service = extension_service();
   ASSERT_FALSE(service->GetExtensionById(kGoodCrxId, true));
 
@@ skipping 1593 matching lines @@
   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
       browser2->tab_strip_model()->GetActiveWebContents(),
       "domAutomationController.send(window.showModalDialog !== undefined);",
       &result));
   EXPECT_TRUE(result);
 }
 
 #endif  // !defined(CHROME_OS)
 
 }  // namespace policy