Clean up layout tests in LayoutTests/shadow-dom/

third_party/WebKit/LayoutTests/shadow-dom/resources/shadow-dom.js

Index: third_party/WebKit/LayoutTests/shadow-dom/resources/shadow-dom.js
diff --git a/third_party/WebKit/LayoutTests/shadow-dom/resources/shadow-dom.js b/third_party/WebKit/LayoutTests/shadow-dom/resources/shadow-dom.js
index 7aeb5fc875eda3d4f2a0ed8470f8ab421ec8db0f..c11861a1321ad0fb2cd6a5336233d5f9105bb0b8 100644
--- a/third_party/WebKit/LayoutTests/shadow-dom/resources/shadow-dom.js
+++ b/third_party/WebKit/LayoutTests/shadow-dom/resources/shadow-dom.js
@@ -117,8 +117,8 @@ function dispatchEventWithLog(nodes, target, event) {
       attachedNodes.push(node);
       node.addEventListener(event.type, (e) => {
         log.push([id,
-                  event.relatedTarget ? labelFor(event.relatedTarget) : null,
-                  event.composedPath().map((n) => {
+                  e.relatedTarget ? labelFor(e.relatedTarget) : null,
+                  e.composedPath().map((n) => {
                     return labelFor(n);
                   })]);
       });
@@ -147,8 +147,8 @@ function dispatchUAEventWithLog(nodes, target, eventType, callback) {
       attachedNodes.push(node);
       node.addEventListener(eventType, (e) => {
         log.push([id,
-                  event.relatedTarget ? labelFor(event.relatedTarget) : null,
-                  event.composedPath().map((n) => {
+                  e.relatedTarget ? labelFor(e.relatedTarget) : null,
+                  e.composedPath().map((n) => {
                     return labelFor(n);
                   })]);
       });