Disabled (empty) SVG shapes cannot be hit

Disabled SVG shapes [1][2][3] should not be possible to hit since they
are considered "not rendered".

[1] https://svgwg.org/svg2-draft/shapes.html#RectElement
[2] https://svgwg.org/svg2-draft/shapes.html#CircleElement
[3] https://svgwg.org/svg2-draft/shapes.html#EllipseElement

Bug: 896641
Change-Id: I5fe530722a4d60ecd416cd68f06a7555bb6a520f
Reviewed-on: https://chromium-review.googlesource.com/c/1353983
Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#611840}
4 files changed