[css-grid] Handle min-content/max-content with orthogonal flows

third_party/WebKit/LayoutTests/fast/css-grid-layout/resources/grid.css

 .grid {
     display: grid;
     background-color: grey;
 }
 
 .inline-grid {
     display: inline-grid;
     background-color: grey;
 }
 
@@ skipping 251 matching lines @@
 
 .verticalRL {
     writing-mode: vertical-rl;
     -webkit-writing-mode: vertical-rl;
 }
 .verticalLR {
     writing-mode: vertical-lr;
     -webkit-writing-mode: vertical-lr;
 }
 .horizontalTB {
+    -webkit-writing-mode: horizontal-tb;
     writing-mode: horizontal-tb;
-    -webkit-writing-mode: horizontal-tb;
-}
-.horizontalBT {
-    writing-mode: horizontal-bt;
-    -webkit-writing-mode: horizontal-bt;
 }
 .directionRTL {
     direction: rtl;
 }
 .directionLTR {
     direction: ltr;
 }