[Webkit-unassigned] [Bug 92312] New: [chromium] Regression: Div doesn't collapse to its original size

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92312

           Summary: [chromium] Regression: Div doesn't collapse to its
                    original size
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://www.tapuz.co.il/Forums2008/ForumPage.aspx?Forum
                    Id=1789&r=1
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: progame+wk at gmail.com
                CC: playmobil at google.com


Created an attachment (id=154463)
 --> (https://bugs.webkit.org/attachment.cgi?id=154463&action=review)
screenshot of the issue

1. Enter the following URL
http://www.tapuz.co.il/Forums2008/ForumPage.aspx?ForumId=1789&r=1
2. Click one of the titles of the forum's posts to expand a post's content
3. Click the title again to collapse it

What is the expected result?
The post return to its original size

What happens instead?
The post, in it's collapsed mode is now taller

Regression Window:
Chromium 147542 : OK
Chromium 147553 : FAIL

Assuming this is a WebKit issue it means the following WebKit builds: 123007:123126
The relevant WebKit changelog is:
http://trac.webkit.org/log/?action=stop_on_copy&mode=stop_on_copy&rev=123126&stop_rev=123007&limit=999&verbose=on

I tried Safari with ToT WebKit and even with r123126 and both were OK, so it seems Safari is unaffected.

Only tested under Windows.

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