Link prefetch fetches deferred until onload

third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
index 59ef02a0c5a95ee8ad84103ab4f64f63b2f506af..3c7898e90f62f6aa2f7589bf72b4f0382717cb3c 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.h
@@ -139,6 +139,7 @@ class PLATFORM_EXPORT ResourceFetcher
   void updateAllImageResourcePriorities();
 
   void reloadLoFiImages();
+  void loadOnloadDeferredResources();
 
   // Calling this method before main document resource is fetched is invalid.
   ResourceTimingInfo* getNavigationTimingInfo();
@@ -224,6 +225,7 @@ class PLATFORM_EXPORT ResourceFetcher
   mutable DocumentResourceMap m_documentResources;
 
   Member<HeapListHashSet<Member<Resource>>> m_preloads;
+  Member<HeapVector<Member<Resource>>> m_onloadDeferredResources;
   Member<MHTMLArchive> m_archive;
 
   TaskRunnerTimer<ResourceFetcher> m_resourceTimingReportTimer;
@@ -258,11 +260,12 @@ class PLATFORM_EXPORT ResourceFetcher
 
   std::unique_ptr<HashSet<String>> m_preloadedURLsForTest;
 
-  // 28 bits left
+  // 27 bits left
   bool m_autoLoadImages : 1;
   bool m_imagesEnabled : 1;
   bool m_allowStaleResources : 1;
   bool m_imageFetched : 1;
+  bool m_onloadDeferredResourcesLoaded : 1;
 };
 
 class ResourceCacheValidationSuppressor {