6 window
.addEventListener("pageshow", ({ persisted
}) => {
7 let bc
= new BroadcastChannel("bug1740516_1");
8 bc
.addEventListener("message", ({ data
}) => {
11 case "block_bfcache_and_navigate":
12 window
.blockBFCache
= new RTCPeerConnection();
15 document
.location
= "file_bug1740516_2.html";
22 bc
.postMessage(persisted
);
27 <iframe src=
"file_bug1740516_1_inner.html"></iframe>