Add support for rich output inside of content editables.

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 aafc9416274ec69a6d7f24caa1fcf4e2741db9a5..0f887de132fe4d3684787c580b08ecfd2e1ae352 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/cursors_test.extjs
@@ -381,16 +381,15 @@ TEST_F('CursorsTest', 'MultiLineOffsetSelection', function() {
     secondLineCursor = new cursors.Cursor(secondLine, 1);
     assertEquals(7, secondLineCursor.selectionIndex_);
 
-    // Now, try selecting via node offsets. This defaults to index 0 and not
-    // index in parent because Blink accessibility selection doesn't always
-    // work.
+    // Now, try selecting via node offsets.
+    // Slightly different than DOM selections (1-based index).
     var cursor = new cursors.Cursor(root.firstChild, -1);
-    assertEquals(root.firstChild, cursor.selectionNode_);
-    assertEquals(0, cursor.selectionIndex_);
+    assertEquals(root, cursor.selectionNode_);
+    assertEquals(1, cursor.selectionIndex_);
 
     cursor = new cursors.Cursor(root.firstChild.nextSibling, -1);
-    assertEquals(root.firstChild.nextSibling, cursor.selectionNode_);
-    assertEquals(0, cursor.selectionIndex_);
+    assertEquals(root, cursor.selectionNode_);
+    assertEquals(2, cursor.selectionIndex_);
   });
 });