This menu item got bumped from bug 449522 because the backend didn't support it. Now it does, so we should add it.
Created attachment 345451 [details] [diff] [review] Patch v.1
Comment on attachment 345451 [details] [diff] [review] Patch v.1 Looks good
Pushed changeset bf8ec3b200b9.
Maybe the "View Video" item should not be visible when the video is playing as a document?
Yeah, filed bug 462892.