ARIA 1.1: implementation for aria-col-* and aria-row-*.

content/test/data/accessibility/aria/aria-col-attr.html

Index: content/test/data/accessibility/aria/aria-col-attr.html
diff --git a/content/test/data/accessibility/aria/aria-col-attr.html b/content/test/data/accessibility/aria/aria-col-attr.html
new file mode 100644
index 0000000000000000000000000000000000000000..a77b5f630551d3dcaf3275beb1320a2567b01302
--- /dev/null
+++ b/content/test/data/accessibility/aria/aria-col-attr.html
@@ -0,0 +1,20 @@
+<!--
+@WIN-ALLOW:colcount*
+@WIN-ALLOW:colindex*
+@WIN-ALLOW:colspan*
+@MAC-ALLOW:AXARIAColumn*
+@BLINK-ALLOW:ariaCol*
+-->
+<div role="grid" aria-colcount="5">
+  <div role="row">
+    <span role="columnheader" aria-colindex="2" aria-colspan="2">cell 2</span>
+    <span role="columnheader" aria-colindex="4">cell 4</span>
+    <span role="columnheader" aria-colindex="5">cell 5</span>
+  </div>
+  <div role="row" aria-colindex="2">
+    <span role="gridcell">cell 2</span>
+    <span role="gridcell">cell 3</span>
+    <span role="gridcell">cell 4</span>
+    <span role="gridcell">cell 5</span>
+  </div>
+</div>