[Webkit-unassigned] [Bug 169576] New: Follow-up (r213833): write a layout test for 169199

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=169576

            Bug ID: 169576
           Summary: Follow-up (r213833): write a layout test for 169199
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com

A new internal API is needed to force the ImageDecoder to be deleted. A function like this needs to be called from the internal API.

void BitmapImage::clearDecoder()
{
    m_source.clear(data());
}

When new an image frame is requested and without r213833, a crash should occur. To expose a BitmapImage function through Internals, have look at Internals::imageFrameIndex(). And to write a test for animated images, have a look fast/images/animated-image-loop-count.html.

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