Fix Web Bluetooth two iframes from same origin layout test

third_party/WebKit/LayoutTests/bluetooth/server/getPrimaryService/two-iframes-from-same-origin.html

Index: third_party/WebKit/LayoutTests/bluetooth/server/getPrimaryService/two-iframes-from-same-origin.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/server/getPrimaryService/two-iframes-from-same-origin.html b/third_party/WebKit/LayoutTests/bluetooth/server/getPrimaryService/two-iframes-from-same-origin.html
index b3da705a8dfb23db0111e92804dea90a0074d42d..898cd7c3dc7d2815cb559e9536a7d9848e376a41 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/server/getPrimaryService/two-iframes-from-same-origin.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/server/getPrimaryService/two-iframes-from-same-origin.html
@@ -25,6 +25,10 @@
         }
         firstIframe = false;
       } else if (messageEvent.data === 'Iframe1Connected') {
+        callWithKeyDown(() => {
+          iframe1.contentWindow.postMessage('Iframe1TryAccessGenericAccessService', '*');
+        });
+      } else if (messageEvent.data === 'Iframe1AccessGenericAccessServiceFailed') {
         document.body.appendChild(iframe2);
       } else if (messageEvent.data === 'Iframe2Connected') {
         callWithKeyDown(() => {