[NoStatePrefetch] Kill renderer after preload scanning

chrome/renderer/prerender/prerenderer_client.cc

Index: chrome/renderer/prerender/prerenderer_client.cc
diff --git a/chrome/renderer/prerender/prerenderer_client.cc b/chrome/renderer/prerender/prerenderer_client.cc
index 00573357f9e96c552f69aa3e04b07797a0fb8839..e230e4fc679908e1ed94fde2a745e4d8cb12ac76 100644
--- a/chrome/renderer/prerender/prerenderer_client.cc
+++ b/chrome/renderer/prerender/prerenderer_client.cc
@@ -40,6 +40,11 @@ bool PrerendererClient::isPrefetchOnly() {
              render_view()->GetMainRenderFrame()) == PREFETCH_ONLY;
 }
 
+void PrerendererClient::onPrefetchFinished() {
+  DCHECK(isPrefetchOnly());
+  PrerenderHelper::SendPrefetchFinished(render_view()->GetMainRenderFrame());
+}
+
 void PrerendererClient::OnDestruct() {
   delete this;
 }