Fix pointer-events:all when stroke="none"

Source/core/style/SVGComputedStyle.h

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
     Copyright (C) 2005, 2006 Apple Computer, Inc.
     Copyright (C) Research In Motion Limited 2010. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
@@ skipping 354 matching lines @@
     const Color& visitedLinkStrokePaintColor() const { return stroke->visitedLinkPaintColor; }
     const String& visitedLinkStrokePaintUri() const { return stroke->visitedLinkPaintUri; }
 
     // convenience
     bool hasClipper() const { return !clipperResource().isEmpty(); }
     bool hasMasker() const { return !maskerResource().isEmpty(); }
     bool hasFilter() const { return !filterResource().isEmpty(); }
     bool hasMarkers() const { return !markerStartResource().isEmpty() || !markerMidResource().isEmpty() || !markerEndResource().isEmpty(); }
     bool hasStroke() const { return strokePaintType() != SVG_PAINTTYPE_NONE; }
     bool hasVisibleStroke() const { return hasStroke() && !strokeWidth().isZero(); }
+    bool hasSquareCapStyle() const { return capStyle() == SquareCap; }
+    bool hasMiterJoinStyle() const { return joinStyle() == MiterJoin; }
     bool hasFill() const { return fillPaintType() != SVG_PAINTTYPE_NONE; }
     bool isVerticalWritingMode() const { return writingMode() == WM_TBRL || writingMode() == WM_TB; }
 
 protected:
     // inherit
     struct InheritedFlags {
         bool operator==(const InheritedFlags& other) const
         {
             return (_colorRendering == other._colorRendering)
                 && (_shapeRendering == other._shapeRendering)
@@ skipping 93 matching lines @@
         svg_noninherited_flags.f._baselineShift = initialBaselineShift();
         svg_noninherited_flags.f._vectorEffect = initialVectorEffect();
         svg_noninherited_flags.f.bufferedRendering = initialBufferedRendering();
         svg_noninherited_flags.f.maskType = initialMaskType();
     }
 };
 
 } // namespace blink
 
 #endif // SVGComputedStyle_h