[Webkit-unassigned] [Bug 239272] The first frame of an animation GIF is sometimes skipped on GTKWebKit and WinCairo

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=239272

Fujii Hironori <Hironori.Fujii at sony.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #457679|0                           |1
        is obsolete|                            |

--- Comment #5 from Fujii Hironori <Hironori.Fujii at sony.com> ---
Created attachment 457792

  --> https://bugs.webkit.org/attachment.cgi?id=457792&action=review

WIP patch

I created a quick patch and tested with the comment#0 test case.
I learned this bug is not easy to fix.

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