[Webkit-unassigned] [Bug 54284] New: Continues relayout on pages containing iframes when frame flattening is on

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=54284

           Summary: Continues relayout on pages containing iframes when
                    frame flattening is on
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Frames
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: p.roguski at partner.samsung.com


Created an attachment (id=82132)
 --> (https://bugs.webkit.org/attachment.cgi?id=82132&action=review)
archive containing iframe.html and blink.html

This issue affects performance. When page with nested iframes is visited, continues relayout can be observed when iframes source contains elements with padding set by styles. This issue can be reproduced only when frame flattening is on.

Steps to reproduce:
1. set frame flattening on
2. visit example site iframe.html (check attachment )

BR,
Piotrek

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