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

chrome/browser/extensions/extension_crash_recovery_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 "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_delegate.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
@@ skipping 58 matching lines @@
   }
 
   void CrashExtension(const std::string& extension_id) {
     const Extension* extension = GetExtensionRegistry()->GetExtensionById(
         extension_id, ExtensionRegistry::ENABLED);
     ASSERT_TRUE(extension);
     extensions::ExtensionHost* extension_host = GetProcessManager()->
         GetBackgroundHostForExtension(extension_id);
     ASSERT_TRUE(extension_host);
 
-    base::KillProcess(extension_host->render_process_host()->GetHandle(),
-                      content::RESULT_CODE_KILLED, false);
+    extension_host->render_process_host()->Shutdown(content::RESULT_CODE_KILLED,
+                                                    false);
     ASSERT_TRUE(WaitForExtensionCrash(extension_id));
     ASSERT_FALSE(GetProcessManager()->
                  GetBackgroundHostForExtension(extension_id));
 
     // Wait for extension crash balloon to appear.
     base::MessageLoop::current()->RunUntilIdle();
   }
 
   void CheckExtensionConsistency(const std::string& extension_id) {
     const Extension* extension = GetExtensionRegistry()->GetExtensionById(
@@ skipping 461 matching lines @@
                 GetController()));
     chrome::Reload(browser(), CURRENT_TAB);
     observer.Wait();
   }
   // Extension should now be loaded.
   SCOPED_TRACE("after reloading the tab");
   CheckExtensionConsistency(first_extension_id_);
   ASSERT_EQ(count_before + 1, GetEnabledExtensionCount());
   ASSERT_EQ(0U, CountBalloons());
 }