Implement `direction` property (#906)
1<test name="multiline_min_max_8__content_box_ltr" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div display="flex" box-sizing="content-box" direction="ltr" flex-wrap="wrap" width="600px" height="20px" border-top="5px" border-left="5px" border-bottom="5px" border-right="5px">
5 <div box-sizing="content-box" direction="ltr" flex-grow="1" flex-basis="600px" height="10px" max-width="300px" margin-left="10px"/>
6 <div box-sizing="content-box" direction="ltr" flex-grow="1" width="100px" height="10px"/>
7 <div box-sizing="content-box" direction="ltr" flex-grow="1" width="100px" height="10px"/>
8 <div box-sizing="content-box" direction="ltr" flex-grow="1" width="100px" height="10px"/>
9 </div>
10 </input>
11 <expectations>
12 <node x="0" y="0" width="610" height="30">
13 <node x="15" y="5" width="300" height="10"/>
14 <node x="315" y="5" width="145" height="10"/>
15 <node x="460" y="5" width="145" height="10"/>
16 <node x="5" y="15" width="600" height="10"/>
17 </node>
18 </expectations>
19</test>