Re-land: Implement ChromeVox Next menus.

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

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/output_test.extjs
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/output_test.extjs b/chrome/browser/resources/chromeos/chromevox/cvox2/background/output_test.extjs
index c1bcdc9b76b18be5a51da7b9ee201f69e46a8f0d..b6de34b5c4a6815895fbce3d642ac9c21aefaef0 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/output_test.extjs
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/output_test.extjs
@@ -450,15 +450,16 @@ TEST_F('OutputE2ETest', 'Menu', function() {
     var range = cursors.Range.fromNode(el);
     var o = new Output().withSpeechAndBraille(range, null, 'navigate');
     assertEqualsJSON({string_:
-            '|Menu|with 1 item|a|Menu item| 1 of 1 ', spans_: [
-        {value: 'name', start: 18, end: 19},
-        {value: {earconId: 'BUTTON'}, start:18, end:19},
-        {value: 'role', start:20, end: 29}
+            '|Menu|a|Menu item| 1 of 1 ', spans_: [
+        {value: {earconId: 'LISTBOX'}, start:0, end:0},
+        {value: 'name', start: 6, end: 7},
+        {value: {earconId: 'BUTTON'}, start:6, end:7},
+        {value: 'role', start:8, end: 17}
     ]}, o.speechOutputForTest);
     checkBrailleOutput(
-        'mnu +1 a mnuitm 1/1',
-        [{value: new Output.NodeSpan(el.parent), start: 0, end: 6},
-         {value: new Output.NodeSpan(el), start: 7, end: 19}],
+        'mnu a mnuitm 1/1',
+        [{value: new Output.NodeSpan(el.parent), start: 0, end: 3},
+         {value: new Output.NodeSpan(el), start: 4, end: 16}],
         o);
   });
 });