[NoStatePrefetch] Kill renderer after preload scanning

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 381fe6f41f167f9b6466dec09d846bd6e19bb2af..99f99c60a9b3bc0907f12960876ad37d6cbe06e4 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -241,6 +241,7 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebAddressSpace.h"
 #include "public/platform/WebFrameScheduler.h"
+#include "public/platform/WebPrerenderingSupport.h"
 #include "public/platform/WebScheduler.h"
 #include "wtf/AutoReset.h"
 #include "wtf/CurrentTime.h"
@@ -1428,6 +1429,10 @@ bool Document::isPrefetchOnly() const {
   return prerendererClient && prerendererClient->isPrefetchOnly();
 }
 
+void Document::onPrefetchFinished() const {
+  WebPrerenderingSupport::current()->prefetchFinished();
+}
+
 String Document::visibilityState() const {
   return pageVisibilityStateString(pageVisibilityState());
 }
@@ -5143,6 +5148,9 @@ void Document::finishedParsing() {
 
   // Parser should have picked up all preloads by now
   m_fetcher->clearPreloads(ResourceFetcher::ClearSpeculativeMarkupPreloads);
+
+  if (isPrefetchOnly())
+    onPrefetchFinished();
 }
 
 void Document::elementDataCacheClearTimerFired(TimerBase*) {