Wait to notify completion until after a Lo-Fi image is reloaded.

third_party/WebKit/Source/core/fetch/ImageResource.h

Index: third_party/WebKit/Source/core/fetch/ImageResource.h
diff --git a/third_party/WebKit/Source/core/fetch/ImageResource.h b/third_party/WebKit/Source/core/fetch/ImageResource.h
index b0ca7bfe8ff8d9e092ecf6b5fe04700eccc71e67..3768717c4f858abf62a53878da72986835ee7d83 100644
--- a/third_party/WebKit/Source/core/fetch/ImageResource.h
+++ b/third_party/WebKit/Source/core/fetch/ImageResource.h
@@ -204,6 +204,10 @@ class CORE_EXPORT ImageResource final
   bool m_hasDevicePixelRatioHeaderValue;
   HashCountedSet<ImageResourceObserver*> m_observers;
   HashCountedSet<ImageResourceObserver*> m_finishedObservers;
+
+  // Indicates if the ImageResource is currently scheduling a reload, e.g.
+  // because reloadIfLoFi() was called.
+  bool m_isSchedulingReload;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Image);