Implement `direction` property (#906)
1<test name="measure_child_constraint__content_box_ltr" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div box-sizing="content-box" direction="ltr" width="50px">
5 <text box-sizing="content-box" direction="ltr">
6 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
7 </text>
8 </div>
9 </input>
10 <expectations>
11 <node x="0" y="0" width="50" height="100">
12 <node x="0" y="0" width="100" height="100"/>
13 </node>
14 </expectations>
15</test>