<https://webkit.org/b/125112>

Reviewed by David Hyatt.

Source/WebCore:

This patch adds inset support for shape-outside. Parsing has previously landed in r159968.
Specification: http://dev.w3.org/csswg/css-shapes/#supported-basic-shapes

Tests: fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-bottom-left.html
       fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-bottom-right.html
       fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-top-left.html
       fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-top-right.html
       fast/shapes/shape-outside-floats/shape-outside-floats-inset.html

* platform/LengthSize.h:
(WebCore::LengthSize::floatSize): Add conversion to FloatSize.
* rendering/shapes/Shape.cpp:
(WebCore::Shape::createShape): Handle inset case.

LayoutTests:

* fast/shapes/resources/rounded-rectangle.js: Add support to generate partially rounded rectangles.
(scanConvertRoundedRectangleOutside):
(genLeftRoundedRectFloatShapeOutsideRefTest):
(genRightRoundedRectFloatShapeOutsideRefTest):
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-expected.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-bottom-left-expected.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-bottom-left.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-bottom-right-expected.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-bottom-right.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-top-left-expected.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-top-left.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-top-right-expected.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset-rounded-top-right.html: Added.
* fast/shapes/shape-outside-floats/shape-outside-floats-inset.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@160130 268f45cc-cd09-0410-ab3c-d52691b4dbfc