Support Compat mode inside of the desktop tree.

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <queue>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
@@ skipping 337 matching lines @@
 IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, NavigateSystemTray) {
   EnableChromeVox();
 
   EXPECT_TRUE(PerformAcceleratorAction(ash::SHOW_SYSTEM_TRAY_BUBBLE));
   while (true) {
     std::string utterance = speech_monitor_.GetNextUtterance();
     if (MatchPattern(utterance, "Button"))
       break;
   }
 
+  SendKeyPress(ui::VKEY_TAB);
+  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
+  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));
+
+  // Compat next element.
+  SendKeyPressWithSearchAndShift(ui::VKEY_RIGHT);
+  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
+  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));
+
+  // Compat next button.
+  SendKeyPressWithSearchAndShift(ui::VKEY_N);
+  SendKeyPressWithSearchAndShift(ui::VKEY_B);
+  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
+  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));
+
   // Navigate to Bluetooth sub-menu and open it.
   while (true) {
     SendKeyPress(ui::VKEY_TAB);
     std::string content = speech_monitor_.GetNextUtterance();
     std::string role = speech_monitor_.GetNextUtterance();
     if (MatchPattern(content, "*Bluetooth*") && MatchPattern(role, "Button"))
       break;
   }
   SendKeyPress(ui::VKEY_RETURN);
 
@@ skipping 273 matching lines @@
   ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
       window, ui::VKEY_TAB, false, true /*shift*/, false, false));
   while (speech_monitor_.GetNextUtterance() != "Select your language:") {
   }
   EXPECT_EQ("English ( United States)", speech_monitor_.GetNextUtterance());
   EXPECT_TRUE(
       MatchPattern(speech_monitor_.GetNextUtterance(), "Combo box * of *"));
 }
 
 }  // namespace chromeos