[CSS Grid Layout] Rename grid-{rows|columns} to grid-definition-{rows|columns}

LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-columns.html

Index: LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-columns.html
diff --git a/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-columns.html b/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-columns.html
index 81ff63ef47980d1e2d84ece4716e75345eaa5dc6..8a2479300b9d3c51f4fac1b5322f16593ec0c22d 100644
--- a/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-columns.html
+++ b/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-columns.html
@@ -7,23 +7,23 @@ if (window.testRunner)
 <link href="resources/grid.css" rel="stylesheet">
 <style>
 .gridAutoAutoContent {
-    grid-columns: auto auto;
-    grid-rows: 50px 100px;
+    grid-definition-columns: auto auto;
+    grid-definition-rows: 50px 100px;
 }
 
 .gridFixedAutoContent {
-    grid-columns: 10px auto;
-    grid-rows: 50px 100px;
+    grid-definition-columns: 10px auto;
+    grid-definition-rows: 50px 100px;
 }
 
 .gridMinMaxMin {
-    grid-columns: minmax(-webkit-min-content, 50px) minmax(-webkit-max-content, 140px);
-    grid-rows: 50px 100px;
+    grid-definition-columns: minmax(-webkit-min-content, 50px) minmax(-webkit-max-content, 140px);
+    grid-definition-rows: 50px 100px;
 }
 
 .gridMinMaxMax {
-    grid-columns: minmax(50px, -webkit-min-content) minmax(40px, -webkit-max-content);
-    grid-rows: 50px 100px;
+    grid-definition-columns: minmax(50px, -webkit-min-content) minmax(40px, -webkit-max-content);
+    grid-definition-rows: 50px 100px;
 }
 
 </style>