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

extensions/browser/guest_view/web_view/web_view_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/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/browser_context.h"
@@ skipping 197 matching lines @@
   bool persist_storage = false;
   std::string storage_partition_string;
   ParsePartitionParam(create_params, &storage_partition_id, &persist_storage);
   // Validate that the partition id coming from the renderer is valid UTF-8,
   // since we depend on this in other parts of the code, such as FilePath
   // creation. If the validation fails, treat it as a bad message and kill the
   // renderer process.
   if (!base::IsStringUTF8(storage_partition_id)) {
     content::RecordAction(
         base::UserMetricsAction("BadMessageTerminate_BPGM"));
-    base::KillProcess(
-        embedder_render_process_host->GetHandle(),
+    embedder_render_process_host->FastShutdown(
         content::RESULT_CODE_KILLED_BAD_MESSAGE, false);
     callback.Run(NULL);
     return;
   }
   std::string url_encoded_partition = net::EscapeQueryParamValue(
       storage_partition_id, false);
   std::string partition_domain = embedder_site_url.host();
   GURL guest_site(base::StringPrintf("%s://%s/%s?%s",
                                      content::kGuestScheme,
                                      partition_domain.c_str(),
@@ skipping 402 matching lines @@
 
 void WebViewGuest::Stop() {
   web_contents()->Stop();
 }
 
 void WebViewGuest::Terminate() {
   content::RecordAction(UserMetricsAction("WebView.Guest.Terminate"));
   base::ProcessHandle process_handle =
       web_contents()->GetRenderProcessHost()->GetHandle();
   if (process_handle)
-    base::KillProcess(process_handle, content::RESULT_CODE_KILLED, false);
+    web_contents()->GetRenderProcessHost()->FastShutdown(
+        content::RESULT_CODE_KILLED, false);
 }
 
 bool WebViewGuest::ClearData(const base::Time remove_since,
                              uint32 removal_mask,
                              const base::Closure& callback) {
   content::RecordAction(UserMetricsAction("WebView.Guest.ClearData"));
   content::StoragePartition* partition =
       content::BrowserContext::GetStoragePartition(
           web_contents()->GetBrowserContext(),
           web_contents()->GetSiteInstance());
@@ skipping 566 matching lines @@
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }
 
 }  // namespace extensions