Make chrome/browser/chromeos/accessibility compile on Athena with use_ash=0

chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 153 matching lines @@
   virtual ~VolumeControllerSoundsTest() {}
 
   virtual void SetUpInProcessBrowserTestFixture() override {
     sounds_manager_ = new SoundsManagerTestImpl();
     media::SoundsManager::InitializeForTesting(sounds_manager_);
   }
 
   void EnableSpokenFeedback(bool enabled) {
     chromeos::AccessibilityManager* manager =
         chromeos::AccessibilityManager::Get();
-    manager->EnableSpokenFeedback(enabled, ash::A11Y_NOTIFICATION_NONE);
+    manager->EnableSpokenFeedback(enabled, ui::A11Y_NOTIFICATION_NONE);
   }
 
   bool is_sound_initialized() const {
     return sounds_manager_->is_sound_initialized(chromeos::SOUND_VOLUME_ADJUST);
   }
 
   int num_play_requests() const {
     return sounds_manager_->num_play_requests(chromeos::SOUND_VOLUME_ADJUST);
   }
 
@@ skipping 68 matching lines @@
   EXPECT_FALSE(is_sound_initialized());
 
   // Check that sound isn't played on volume up and volume down.
   audio_handler_->SetOutputVolumePercent(50);
   VolumeUp();
   VolumeDown();
   EXPECT_EQ(0, num_play_requests());
 }
 
 }  // namespace