Force unitless data-expected attributes

LayoutTests/fast/css-grid-layout/grid-item-named-grid-line-resolution.html

Index: LayoutTests/fast/css-grid-layout/grid-item-named-grid-line-resolution.html
diff --git a/LayoutTests/fast/css-grid-layout/grid-item-named-grid-line-resolution.html b/LayoutTests/fast/css-grid-layout/grid-item-named-grid-line-resolution.html
index 27c1d52440ce7d8758cac42360fcab79ca2c0fc6..5afe940a22e4758cc8fdda4e74b448a41d941bd5 100644
--- a/LayoutTests/fast/css-grid-layout/grid-item-named-grid-line-resolution.html
+++ b/LayoutTests/fast/css-grid-layout/grid-item-named-grid-line-resolution.html
@@ -147,61 +147,61 @@
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: 4 / auto;" data-offset-x="60px" data-expected-width="40px"></div>
+      <div class="sizedToGridArea" style="grid-column: 4 / auto;" data-offset-x="60" data-expected-width="40"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: auto / 6;" data-offset-x="100px" data-expected-width="50px"></div>
+      <div class="sizedToGridArea" style="grid-column: auto / 6;" data-offset-x="100" data-expected-width="50"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: C / C -1;" data-offset-x="30px" data-expected-width="330px"></div>
+      <div class="sizedToGridArea" style="grid-column: C / C -1;" data-offset-x="30" data-expected-width="330"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: C / span C;" data-offset-x="30px" data-expected-width="120px"></div>
+      <div class="sizedToGridArea" style="grid-column: C / span C;" data-offset-x="30" data-expected-width="120"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: span C / C -1;" data-offset-x="150px" data-expected-width="210px"></div>
+      <div class="sizedToGridArea" style="grid-column: span C / C -1;" data-offset-x="150" data-expected-width="210"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: span C / span C;" data-offset-x="0px" data-expected-width="10px"></div>
+      <div class="sizedToGridArea" style="grid-column: span C / span C;" data-offset-x="0" data-expected-width="10"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: 5 / C -1;" data-offset-x="100px" data-expected-width="260px"></div>
+      <div class="sizedToGridArea" style="grid-column: 5 / C -1;" data-offset-x="100" data-expected-width="260"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: 5 / span C;" data-offset-x="100px" data-expected-width="50px"></div>
+      <div class="sizedToGridArea" style="grid-column: 5 / span C;" data-offset-x="100" data-expected-width="50"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: 8 / 8;" data-offset-x="280px" data-expected-width="80px"></div>
+      <div class="sizedToGridArea" style="grid-column: 8 / 8;" data-offset-x="280" data-expected-width="80"></div>
     </div>
 </div>
 
 <div style="position: relative">
     <div class="grid gridFromSpecs">
-      <div class="sizedToGridArea" style="grid-column: B 2 / span 1;" data-offset-x="100px" data-expected-width="50px"></div>
+      <div class="sizedToGridArea" style="grid-column: B 2 / span 1;" data-offset-x="100" data-expected-width="50"></div>
     </div>
 </div>