{"action":"opened","issue":{"url":"https://api.github.com/repos/catapult-project/catapult/issues/1505","labels_url":"https://api.github.com/repos/catapult-project/catapult/issues/1505/labels{/name}","comments_url":"https://api.github.com/repos/catapult-project/catapult/issues/1505/comments","events_url":"https://api.github.com/repos/catapult-project/catapult/issues/1505/events","html_url":"https://github.com/catapult-project/catapult/issues/1505","id":107841668,"number":1505,"title":"Put trace around iframe creation so we can see cost of iframe creation in slice_costs","user":{"login":"natduca","id":412396,"avatar_url":"https://avatars.githubusercontent.com/u/412396?v=3","gravatar_id":"","url":"https://api.github.com/users/natduca","html_url":"https://github.com/natduca","followers_url":"https://api.github.com/users/natduca/followers","following_url":"https://api.github.com/users/natduca/following{/other_user}","gists_url":"https://api.github.com/users/natduca/gists{/gist_id}","starred_url":"https://api.github.com/users/natduca/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/natduca/subscriptions","organizations_url":"https://api.github.com/users/natduca/orgs","repos_url":"https://api.github.com/users/natduca/repos","events_url":"https://api.github.com/users/natduca/events{/privacy}","received_events_url":"https://api.github.com/users/natduca/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-23T03:08:56Z","updated_at":"2015-09-23T03:08:56Z","closed_at":null,"body":"In current traces, we see WindowProxy::initialize as very heavy. Is that always iframe creation? I am thinking we might make user_friendly_Categories recognize this as its own thing."}}