[Webkit-unassigned] [Bug 143787] New: Clean up: Have SVGTextLayoutEngine::beginTextPathLayout() take a reference to a RenderSVGTextPath instead of a pointer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=143787

            Bug ID: 143787
           Summary: Clean up: Have
                    SVGTextLayoutEngine::beginTextPathLayout() take a
                    reference to a RenderSVGTextPath instead of a pointer
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dbates at webkit.org
                CC: zimmermann at kde.org

Currently SVGTextLayoutEngine::beginTextPathLayout() takes a pointer to a RenderObject and run-time asserts that its non-null and assumes that it can be safely downcast to a reference to RenderSVGTextPath object. Instead we should have SVGTextLayoutEngine::beginTextPathLayout() take a reference to a RenderSVGTextPath to better catch at compile time and document the preconditions of this function.

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