Add pointer-events="bounding-box" for svg content.

Source/core/rendering/svg/SVGInlineTextBox.cpp

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * 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 720 matching lines @@
 }
 
 bool SVGInlineTextBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit, LayoutUnit)
 {
     // FIXME: integrate with InlineTextBox::nodeAtPoint better.
     ASSERT(!isLineBreak());
 
     PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_TEXT_HITTESTING, request, renderer()->style()->pointerEvents());
     bool isVisible = renderer()->style()->visibility() == VISIBLE;
     if (isVisible || !hitRules.requireVisible) {
-        if ((hitRules.canHitStroke && (renderer()->style()->svgStyle()->hasStroke() || !hitRules.requireStroke))
+        if (hitRules.canHitBoundingBox

[pdr., 2013/11/01 03:42:00]

I think the 1.2 spec requires that hit testing work even when the element is not
visible.

[Erik Dahlström (inactive), 2013/11/29 16:30:48]

PointerEventsHitRules.requireVisible is always false for PE_BOUNDINGBOX, so we
should enter this if-branch. There is at least one test for display:none text
elements in this CL.

+            || (hitRules.canHitStroke && (renderer()->style()->svgStyle()->hasStroke() || !hitRules.requireStroke))
             || (hitRules.canHitFill && (renderer()->style()->svgStyle()->hasFill() || !hitRules.requireFill))) {
             FloatPoint boxOrigin(x(), y());
             boxOrigin.moveBy(accumulatedOffset);
             FloatRect rect(boxOrigin, size());
             if (locationInContainer.intersects(rect)) {
                 renderer()->updateHitTestResult(result, locationInContainer.point() - toLayoutSize(accumulatedOffset));
                 if (!result.addNodeToRectBasedTestResult(renderer()->node(), request, locationInContainer, rect))
                     return true;
              }
         }
     }
     return false;
 }
 
 } // namespace WebCore