[Webkit-unassigned] [Bug 249140] New: Fix reset to baseVal after animation end for SVGTransformList

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249140

            Bug ID: 249140
           Summary: Fix reset to baseVal after animation end for
                    SVGTransformList
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zimmermann at kde.org
                CC: rbuis at igalia.com, sabouhallawa at apple.com,
                    simon.fraser at apple.com, zimmermann at kde.org

Partly revert the fix from webkit.org/b/198576 (REGRESSION (r243121): Load event
should not be fired while animating the 'externalResourcesRequired' attribute),
that landed in https://commits.webkit.org/212621@main.

First of all, externalResourcesRequired support is gone from WebKit, therefore
SMIL animations of that property are no longer possible: the workaround is obsolete.

More importantly, the applied workaround is harmful for SVGTransformList animations,
which go through the same SVGAnimatedPropertyAnimator code paths to apply changes,
when <animateTransform> animations are active.

@said: I hope the ChangeLog is sufficient :-)
[I wanted to mark this as depends-on 198576, but I have no rights to do so]

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