[Webkit-unassigned] [Bug 131085] SVG-filtered anonymous renderers not updated when filter is loaded

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=131085





--- Comment #2 from Jon Honeycutt <jhoneycutt at apple.com>  2014-04-01 17:48:45 PST ---
FilterEffectRenderer::buildReferenceFilter() does not handle the case that renderer->element() is false when the filter does not already exist in the document.

I tried fixing this in two ways:

1) Using a non-null ancestor Element for anonymous objects. This doesn't work because the object may not yet exist in the RenderTree when this code is reached, so it has no ancestors.

2) Because we only use the renderer from the stored Element in RenderSVGResourceContainer::registerResource(), I tried changing SVGDocumentExtensions to store a set of RenderElements rather than Elements. This led to issues when building the list of pending resources for Elements that do not yet have associated renderers.

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