Blink class layout optimization to reduce memory usage

third_party/WebKit/Source/core/loader/resource/ImageResourceContent.h

Index: third_party/WebKit/Source/core/loader/resource/ImageResourceContent.h
diff --git a/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.h b/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.h
index 6351b931253d66bdb82d1dbb5af93471842d7295..cd70475f0640b95062f29eb111a8a503f3f58f41 100644
--- a/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.h
+++ b/third_party/WebKit/Source/core/loader/resource/ImageResourceContent.h
@@ -202,22 +202,23 @@ class CORE_EXPORT ImageResourceContent final
         : AutoReset(&content->is_add_remove_observer_prohibited_, true) {}
   };
 
-  Member<ImageResourceInfo> info_;
   ResourceStatus content_status_ = ResourceStatus::kNotStarted;
 
-  RefPtr<blink::Image> image_;
-
-  HashCountedSet<ImageResourceObserver*> observers_;
-  HashCountedSet<ImageResourceObserver*> finished_observers_;
-
-  Image::SizeAvailability size_available_ = Image::kSizeUnavailable;
-
   // Indicates if this resource's encoded image data can be purged and refetched
   // from disk cache to save memory usage. See crbug/664437.
   bool is_refetchable_data_from_disk_cache_;
 
   mutable bool is_add_remove_observer_prohibited_ = false;
 
+  Image::SizeAvailability size_available_ = Image::kSizeUnavailable;
+
+  Member<ImageResourceInfo> info_;
+
+  RefPtr<blink::Image> image_;
+
+  HashCountedSet<ImageResourceObserver*> observers_;
+  HashCountedSet<ImageResourceObserver*> finished_observers_;
+
 #if DCHECK_IS_ON()
   bool is_update_image_being_called_ = false;
 #endif