[CSS Grid Layout] Rename grid-definition-{columns|rows} to match the new syntax

LayoutTests/fast/css-grid-layout/minmax-fixed-logical-height-only.html

Index: LayoutTests/fast/css-grid-layout/minmax-fixed-logical-height-only.html
diff --git a/LayoutTests/fast/css-grid-layout/minmax-fixed-logical-height-only.html b/LayoutTests/fast/css-grid-layout/minmax-fixed-logical-height-only.html
index 2e618a2d1d3645c0e33b04247444fb3b253d0ce1..53564f05bd0b6bb31286ff98b86c654a5fa2b406 100644
--- a/LayoutTests/fast/css-grid-layout/minmax-fixed-logical-height-only.html
+++ b/LayoutTests/fast/css-grid-layout/minmax-fixed-logical-height-only.html
@@ -12,38 +12,38 @@ if (window.testRunner)
 }
 
 #grid1 {
-    grid-definition-columns: 30px;
-    grid-definition-rows: minmax(20px, 80px) 160px;
+    grid-template-columns: 30px;
+    grid-template-rows: minmax(20px, 80px) 160px;
 }
 
 #grid2 {
-    grid-definition-columns: 30px;
-    grid-definition-rows: minmax(50%, 120px) minmax(20px, 40%);
+    grid-template-columns: 30px;
+    grid-template-rows: minmax(50%, 120px) minmax(20px, 40%);
 }
 
 #grid3 {
-    grid-definition-columns: 30px;
+    grid-template-columns: 30px;
     /* Overlapping range. */
-    grid-definition-rows: minmax(10px, 180px) minmax(30px, 150px);
+    grid-template-rows: minmax(10px, 180px) minmax(30px, 150px);
 }
 
 #grid4 {
-    grid-definition-columns: 30px;
-    grid-definition-rows: minmax(20px, 80px) 60px;
+    grid-template-columns: 30px;
+    grid-template-rows: minmax(20px, 80px) 60px;
     -webkit-writing-mode: vertical-rl;
 }
 
 #grid5 {
-    grid-definition-columns: 30px;
+    grid-template-columns: 30px;
     /* 90% > 80px, 80px should be ignored. */
-    grid-definition-rows: minmax(90%, 80px) minmax(10px, 60%);
+    grid-template-rows: minmax(90%, 80px) minmax(10px, 60%);
     -webkit-writing-mode: vertical-lr;
 }
 
 #grid6 {
     /* Overlapping range. */
-    grid-definition-columns: 30px;
-    grid-definition-rows: minmax(10px, 180px) minmax(30px, 150px);
+    grid-template-columns: 30px;
+    grid-template-rows: minmax(10px, 180px) minmax(30px, 150px);
     -webkit-writing-mode: horizontal-bt;
 }