Implement `direction` property (#906)
1<test name="border_stretch_child__content_box_rtl" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div box-sizing="content-box" direction="rtl" width="100px" height="100px" border-top="10px" border-left="10px" border-bottom="10px" border-right="10px">
5 <div box-sizing="content-box" direction="rtl" width="10px"/>
6 </div>
7 </input>
8 <expectations>
9 <node x="0" y="0" width="120" height="120">
10 <node x="100" y="10" width="10" height="100"/>
11 </node>
12 </expectations>
13</test>