Reland: Make the check for compat mode explicit.

chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs b/chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs
index fab8d6ab5a48fb2f900816d2af1261bcb73c8ca2..bb5076779baa2e6efe1faaab4522a5fa4468cc45 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs
@@ -303,3 +303,13 @@ TEST_F('CursorsTest', 'WrappingCursors', function() {
     assertEquals(root.firstChild.firstChild, cursor.node);
   });
 });
+
+TEST_F('CursorsTest', 'IsInWebRange', function() {
+  this.runWithLoadedTree(this.simpleDoc, function(root) {
+    var para = root.firstChild;
+    var webRange = new cursors.Range.fromNode(para);
+    var auraRange = cursors.Range.fromNode(root.parent);
+    assertFalse(auraRange.isWebRange());
+    assertTrue(webRange.isWebRange());
+  });
+});