https://bugs.webkit.org/show_bug.cgi?id=119491

Update some of the shape-margin tests to work with the new positioning model. Floats
that specify shape-outside are now positioned according to their margin box, not the
bounding box of the shape-outside shape. The tests have been revised to reflect the
change.

Reviewed by Alexandru Chiculita.

* TestExpectations:
* fast/shapes/shape-outside-floats/shape-outside-floats-diamond-margin-polygon.html:
* fast/shapes/shape-outside-floats/shape-outside-floats-ellipse-margin-bottom.html:
* fast/shapes/shape-outside-floats/shape-outside-floats-ellipse-margin-left.html:
* fast/shapes/shape-outside-floats/shape-outside-floats-ellipse-margin-right.html:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153769 268f45cc-cd09-0410-ab3c-d52691b4dbfc