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

chrome/browser/ui/zoom/zoom_controller_browsertest.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 "chrome/browser/ui/zoom/zoom_controller.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/process/kill.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 71 matching lines @@
   ZoomController* zoom_controller =
       ZoomController::FromWebContents(web_contents);
 
   double old_zoom_level = zoom_controller->GetZoomLevel();
   double new_zoom_level = old_zoom_level + 0.5;
 
   content::RenderProcessHost* host = web_contents->GetRenderProcessHost();
   {
     content::RenderProcessHostWatcher crash_observer(
         host, content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
-    base::KillProcess(host->GetHandle(), 0, false);
+    host->Shutdown(0, false);
     crash_observer.Wait();
   }
   EXPECT_FALSE(web_contents->GetRenderViewHost()->IsRenderViewLive());
 
   // The following attempt to change the zoom level for a crashed tab should
   // fail.
   zoom_controller->SetZoomLevel(new_zoom_level);
   EXPECT_FLOAT_EQ(old_zoom_level, zoom_controller->GetZoomLevel());
 }
 
@@ skipping 56 matching lines @@
       ZoomController::ZOOM_MODE_DEFAULT,
       true);  // We have a non-empty host, so this will be 'true'.
   EXPECT_CALL(zoom_observer_, OnZoomChanged(zoom_change_data)).Times(1);
 
   content::HostZoomMap* host_zoom_map =
       content::HostZoomMap::GetDefaultForBrowserContext(
           web_contents->GetBrowserContext());
 
   host_zoom_map->SetZoomLevelForHost("about:blank", new_zoom_level);
 }