From 71a6a9189f82bdb142f601be65365448a1c4ea3b Mon Sep 17 00:00:00 2001
From: Andrew Cherniavskii <andrew.cherniavskii@gmail.com>
Date: Fri, 10 May 2019 14:22:48 +0200
Subject: [PATCH 1/2] make <embed> trigger onLoad

---
 packages/react-dom/src/client/ReactDOMComponent.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/react-dom/src/client/ReactDOMComponent.js b/packages/react-dom/src/client/ReactDOMComponent.js
index f53db133c79e..33886140fd5c 100644
--- a/packages/react-dom/src/client/ReactDOMComponent.js
+++ b/packages/react-dom/src/client/ReactDOMComponent.js
@@ -522,6 +522,7 @@ export function setInitialProperties(
   switch (tag) {
     case 'iframe':
     case 'object':
+    case 'embed':
       trapBubbledEvent(TOP_LOAD, domElement);
       props = rawProps;
       break;
@@ -916,6 +917,7 @@ export function diffHydratedProperties(
   switch (tag) {
     case 'iframe':
     case 'object':
+    case 'embed':
       trapBubbledEvent(TOP_LOAD, domElement);
       break;
     case 'video':

From 8858f4e9734af73ca086c0a4138f58ff97887466 Mon Sep 17 00:00:00 2001
From: Andrew Cherniavskii <andrew.cherniavskii@gmail.com>
Date: Fri, 10 May 2019 19:54:42 +0200
Subject: [PATCH 2/2] add unit test

---
 .../__tests__/ReactDOMEventListener-test.js   | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/packages/react-dom/src/__tests__/ReactDOMEventListener-test.js b/packages/react-dom/src/__tests__/ReactDOMEventListener-test.js
index 26ee3498f1f9..a1cd76874beb 100644
--- a/packages/react-dom/src/__tests__/ReactDOMEventListener-test.js
+++ b/packages/react-dom/src/__tests__/ReactDOMEventListener-test.js
@@ -446,4 +446,31 @@ describe('ReactDOMEventListener', () => {
       document.body.removeChild(container);
     }
   });
+
+  it('should dispatch load for embed elements', () => {
+    const container = document.createElement('div');
+    document.body.appendChild(container);
+
+    try {
+      const ref = React.createRef();
+      const handleLoad = jest.fn();
+
+      ReactDOM.render(
+        <div>
+          <embed ref={ref} onLoad={handleLoad} />
+        </div>,
+        container,
+      );
+
+      ref.current.dispatchEvent(
+        new ProgressEvent('load', {
+          bubbles: false,
+        }),
+      );
+
+      expect(handleLoad).toHaveBeenCalledTimes(1);
+    } finally {
+      document.body.removeChild(container);
+    }
+  });
 });