Implement `direction` property (#906)
1<test name="grid_margins_fixed_end__content_box_ltr" use-rounding="true">
2 <viewport width="max-content" height="max-content"/>
3 <input>
4 <div display="grid" box-sizing="content-box" direction="ltr" padding-top="10px" padding-left="40px" padding-bottom="30px" padding-right="20px" grid-template-rows="40px 40px 40px" grid-template-columns="40px 40px 40px">
5 <div box-sizing="content-box" direction="ltr" align-self="end" justify-self="end" width="20px" height="20px" margin-top="1px" margin-left="4px" margin-bottom="3px" margin-right="2px"/>
6 <div box-sizing="content-box" direction="ltr"/>
7 <div box-sizing="content-box" direction="ltr"/>
8 <div box-sizing="content-box" direction="ltr"/>
9 <div box-sizing="content-box" direction="ltr"/>
10 <div box-sizing="content-box" direction="ltr"/>
11 </div>
12 </input>
13 <expectations>
14 <node x="0" y="0" width="180" height="160">
15 <node x="58" y="27" width="20" height="20"/>
16 <node x="80" y="10" width="40" height="40"/>
17 <node x="120" y="10" width="40" height="40"/>
18 <node x="40" y="50" width="40" height="40"/>
19 <node x="80" y="50" width="40" height="40"/>
20 <node x="120" y="50" width="40" height="40"/>
21 </node>
22 </expectations>
23</test>