[Webkit-unassigned] [Bug 118024] New: RenderSVGViewportContainer::calcViewport should check the attribute value

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=118024

           Summary: RenderSVGViewportContainer::calcViewport should check
                    the attribute value
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: zimmermann at kde.org, krit at webkit.org, thorton at apple.com


Consider merging https://chromium.googlesource.com/chromium/blink/+/2c4fdb3d735d5d6519fe8fec97ff078ea5ec6371

Replace hasAttribute with the check for actual value

This change replaces the use of hasAttribute() by a
better and correct approach, to check if the actual
value is greater than or equal to zero. This patch also
includes a Ref Test which demonstrates the setting of attribute
within a 'use' tag to test the changed code path.

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