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

extensions/browser/guest_view/extension_options/extension_options_guest.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 "extensions/browser/guest_view/extension_options/extension_options_guest.h"
 
 #include "base/metrics/user_metrics.h"
 #include "base/values.h"
 #include "components/crx_file/id_util.h"
 #include "content/public/browser/navigation_details.h"
@@ skipping 218 matching lines @@
                                false));
   }
   return false;
 }
 
 void ExtensionOptionsGuest::DidNavigateMainFrame(
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
   if (attached() && (params.url.GetOrigin() != options_page_.GetOrigin())) {
     base::RecordAction(base::UserMetricsAction("BadMessageTerminate_EOG"));
-    base::KillProcess(
-        web_contents()->GetRenderProcessHost()->GetHandle(),
+    web_contents()->GetRenderProcessHost()->FastShutdown(
         content::RESULT_CODE_KILLED_BAD_MESSAGE, false /* wait */);
   }
 }
 
 bool ExtensionOptionsGuest::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionOptionsGuest, message)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ skipping 25 matching lines @@
   attach_params()->GetInteger(extensionoptions::kAttributeMinWidth, &min_width);
 
   // Call SetAutoSize to apply all the appropriate validation and clipping of
   // values.
   SetAutoSize(auto_size_enabled,
               gfx::Size(min_width, min_height),
               gfx::Size(max_width, max_height));
 }
 
 }  // namespace extensions