[NoStatePrefetch] Kill renderer after preload scanning

chrome/browser/prerender/prerender_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 320 matching lines @@
   void AddPrerenderProcessHost(content::RenderProcessHost* process_host);
 
   // Returns whether or not |process_host| may be reused for new navigations
   // from a prerendering perspective. Currently, if Prerender Cookie Stores are
   // enabled, prerenders must be in their own processes that may not be shared.
   bool MayReuseProcessHost(content::RenderProcessHost* process_host);
 
   // content::RenderProcessHostObserver implementation.
   void RenderProcessHostDestroyed(content::RenderProcessHost* host) override;
 
+  // content::RenderProcessHostObserver implementation.
+  // Destroys the |PrerenderContents| responsible for |host|.
+  void RenderProcessHostPrefetchFinished(
+      content::RenderProcessHost* host) override;
+
   void SetPrerenderContentsFactoryForTest(
       PrerenderContents::Factory* prerender_contents_factory);
 
   bool IsPrerenderSilenceExperimentForTesting(Origin origin) const {
     return IsPrerenderSilenceExperiment(origin);
   }
 
  protected:
   class PrerenderData : public base::SupportsWeakPtr<PrerenderData> {
    public:
@@ skipping 246 matching lines @@
   PrerenderProcessSet prerender_process_hosts_;
 
   base::WeakPtrFactory<PrerenderManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_