diff options
Diffstat (limited to 'devtools/server/actors/watcher/browsing-context-helpers.sys.mjs')
| -rw-r--r-- | devtools/server/actors/watcher/browsing-context-helpers.sys.mjs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/devtools/server/actors/watcher/browsing-context-helpers.sys.mjs b/devtools/server/actors/watcher/browsing-context-helpers.sys.mjs index d52cbc5708..cd34c75760 100644 --- a/devtools/server/actors/watcher/browsing-context-helpers.sys.mjs +++ b/devtools/server/actors/watcher/browsing-context-helpers.sys.mjs @@ -382,7 +382,7 @@ export function getAllBrowsingContextsForContext( sessionContext.browserId ); // topBrowsingContext can be null if getCurrentTopByBrowserId is called for a tab that is unloaded. - if (topBrowsingContext) { + if (topBrowsingContext?.embedderElement) { // Unfortunately, getCurrentTopByBrowserId is subject to race conditions and may refer to a BrowsingContext // that already navigated away. // Query the current "live" BrowsingContext by going through the embedder element (i.e. the <browser>/<iframe> element) |