[NoStatePrefetch] Kill renderer after preload scanning

chrome/browser/prerender/prerender_manager.cc

Index: chrome/browser/prerender/prerender_manager.cc
diff --git a/chrome/browser/prerender/prerender_manager.cc b/chrome/browser/prerender/prerender_manager.cc
index e4dfb19c7cef312817c55b56b2e27c23a1debc43..3943ee44a5b2377b8dd4b117bcc0167e03421254 100644
--- a/chrome/browser/prerender/prerender_manager.cc
+++ b/chrome/browser/prerender/prerender_manager.cc
@@ -1343,6 +1343,18 @@ void PrerenderManager::RenderProcessHostDestroyed(
   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);