Implement `direction` property (#906)
1<test name="simple_child__border_box_ltr" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div direction="ltr" width="100px" height="100px">
5 <div direction="ltr" width="100%" height="100%">
6 <div direction="ltr" width="10px" height="10px">
7 <div direction="ltr" width="10px" height="10px"/>
8 </div>
9 <div direction="ltr">
10 <div direction="ltr" align-self="center" width="10px" height="10px"/>
11 <div direction="ltr" align-self="center" width="10px" height="10px"/>
12 </div>
13 </div>
14 </div>
15 </input>
16 <expectations>
17 <node x="0" y="0" width="100" height="100">
18 <node x="0" y="0" width="100" height="100">
19 <node x="0" y="0" width="10" height="10">
20 <node x="0" y="0" width="10" height="10"/>
21 </node>
22 <node x="10" y="0" width="20" height="100">
23 <node x="0" y="45" width="10" height="10"/>
24 <node x="10" y="45" width="10" height="10"/>
25 </node>
26 </node>
27 </node>
28 </expectations>
29</test>