Bug 188634

Summary: Custom element constructor doesn't use HTMLElement in new.target's realm
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: DOMAssignee: Ryosuke Niwa <rniwa>
Severity: Normal CC: cdumez, commit-queue, ews-watchlist, ggaren, keith_miller, koivisto, sbarati, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 154907    
Description Flags
Fixes the bug
Fixed the change log none

Description Ryosuke Niwa 2018-08-15 21:18:57 PDT
When a custom element constructor invokes HTMLElement constructor of a different realm,
WebKit uses that realm's HTMLElement to construct the element instead of HTMLElement in new.target's realm.
Comment 1 Ryosuke Niwa 2018-08-15 21:52:51 PDT
Created attachment 347244 [details]
Fixes the bug
Comment 2 Radar WebKit Bug Importer 2018-08-15 21:53:52 PDT
Comment 3 EWS Watchlist 2018-08-15 21:56:11 PDT
Attachment 347244 [details] did not pass style-queue:

ERROR: Source/WebCore/ChangeLog:14:  Line contains tab character.  [whitespace/tab] [5]
Total errors found: 1 in 4 files

If any of these errors are false positives, please file a bug against check-webkit-style.
Comment 4 Ryosuke Niwa 2018-08-15 21:59:51 PDT
Created attachment 347245 [details]
Fixed the change log
Comment 5 Keith Miller 2018-08-16 12:58:07 PDT
Comment on attachment 347245 [details]
Fixed the change log

Comment 6 Ryosuke Niwa 2018-08-16 13:50:59 PDT
Comment on attachment 347245 [details]
Fixed the change log

Thanks for the review!
Comment 7 WebKit Commit Bot 2018-08-16 14:18:09 PDT
Comment on attachment 347245 [details]
Fixed the change log

Clearing flags on attachment: 347245

Committed r234957: <https://trac.webkit.org/changeset/234957>
Comment 8 WebKit Commit Bot 2018-08-16 14:18:11 PDT
All reviewed patches have been landed.  Closing bug.