[Webkit-unassigned] [Bug 84570] New: audio controls have a 1px surplus outline

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84570

           Summary: audio controls have a 1px surplus outline
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: silviapf at chromium.org


The audio controls have a 1px grey outline that is screwing with my video controls update for Chromium, see attached image mediacontrols.jpg .

It is created by WebKit, since the Safari controls have the same issue, see attached image audio_controls_shadow_display_none.png. This image was created by loading a html page with only an audio element into Safari and setting the shadow dom that creates the audio controls to "display:none".

I've confirmed that if I just return from "RenderImage::paintReplaced" in src/third_party/WebKit/Source/WebCore/rendering/RenderImage.cpp , I can remove that outline.

Thus, my theory is that the audio element, being a stripped-down video element, might try to render a poster, which does not exist and is therefore rendering the 1px grey and empty outline of an image.

Will need to further debug, so registering so I don't forget.

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