No initial focusing of buttons in the message center bubble

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/common/accelerators/accelerator_controller.h"
 #include "ash/common/accelerators/accelerator_table.h"
 #include "ash/common/accessibility_types.h"
 #include "ash/common/system/tray/system_tray.h"
@@ skipping 215 matching lines @@
   }
   EXPECT_EQ("foo,", speech_monitor_.GetNextUtterance());
   EXPECT_EQ("button", speech_monitor_.GetNextUtterance());
 }
 
 IN_PROC_BROWSER_TEST_F(LoggedInSpokenFeedbackTest, NavigateNotificationCenter) {
   EnableChromeVox();
 
   EXPECT_TRUE(PerformAcceleratorAction(ash::SHOW_MESSAGE_CENTER_BUBBLE));
 
+  // Tab to request the initial focus.
+  SendKeyPress(ui::VKEY_TAB);
+
   // Wait for it to say "Notification Center, window".
   while ("Notification Center, window" != speech_monitor_.GetNextUtterance()) {
   }
 
   // Tab until we get to the Do Not Disturb button.
   SendKeyPress(ui::VKEY_TAB);
   do {
     std::string ut = speech_monitor_.GetNextUtterance();
 
     if (ut == "Do not disturb")
@@ skipping 544 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(base::MatchPattern(speech_monitor_.GetNextUtterance(),
                                  "Combo box * of *"));
 }
 
 }  // namespace chromeos