[NoStatePrefetch] Kill renderer after preload scanning

chrome/browser/prerender/prerender_manager.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/prerender/prerender_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 1325 matching lines @@
           prerender_process_hosts_.end());
 }
 
 void PrerenderManager::RenderProcessHostDestroyed(
     content::RenderProcessHost* host) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   size_t erased = prerender_process_hosts_.erase(host);
   DCHECK_EQ(1u, erased);
 }
 
+void PrerenderManager::RenderProcessHostPrefetchFinished(
+    content::RenderProcessHost* host) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  for (auto& prerender_data : active_prerenders_) {
+    PrerenderContents* prerender_contents = prerender_data->contents();
+    if (prerender_contents->GetRenderViewHost()->GetProcess() == host) {
+      prerender_contents->Destroy(FINAL_STATUS_PREFETCH_FINISHED);
+      break;
+    }
+  }
+}
+
 void PrerenderManager::SetPrerenderContentsFactoryForTest(
     PrerenderContents::Factory* prerender_contents_factory) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   prerender_contents_factory_.reset(prerender_contents_factory);
 }
 
 }  // namespace prerender