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

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

Index: LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-rows.html
diff --git a/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-rows.html b/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-rows.html
index 11b370df2dbe4fa83c17f58ef1bcc4ffddbdff3e..914cdffb94536ac927c24e4ca4a5d1e1507bb82b 100644
--- a/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-rows.html
+++ b/LayoutTests/fast/css-grid-layout/minmax-spanning-resolution-rows.html
@@ -7,23 +7,23 @@ if (window.testRunner)
 <link href="resources/grid.css" rel="stylesheet">
 <style>
 .gridAutoAutoContent {
-    grid-columns: 50px 100px;
-    grid-rows: auto auto;
+    grid-definition-columns: 50px 100px;
+    grid-definition-rows: auto auto;
 }
 
 .gridFixedAutoContent {
-    grid-columns: 50px 100px;
-    grid-rows: 10px auto;
+    grid-definition-columns: 50px 100px;
+    grid-definition-rows: 10px auto;
 }
 
 .gridMinMaxMin {
-    grid-columns: 50px 100px;
-    grid-rows: minmax(-webkit-min-content, 50px) minmax(-webkit-max-content, 140px);
+    grid-definition-columns: 50px 100px;
+    grid-definition-rows: minmax(-webkit-min-content, 50px) minmax(-webkit-max-content, 140px);
 }
 
 .gridMinMaxMax {
-    grid-columns: 50px 100px;
-    grid-rows: minmax(50px, -webkit-min-content) minmax(40px, -webkit-max-content);
+    grid-definition-columns: 50px 100px;
+    grid-definition-rows: minmax(50px, -webkit-min-content) minmax(40px, -webkit-max-content);
 }
 </style>
 <script src="../../resources/check-layout.js"></script>