Adjust positioning of cros tray bubbles.

ash/common/system/chromeos/audio/tray_audio.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 "ash/common/system/chromeos/audio/tray_audio.h"
 
 #include "ash/common/system/chromeos/audio/audio_detailed_view.h"
 #include "ash/common/system/chromeos/audio/tray_audio_delegate_chromeos.h"
 #include "ash/common/system/chromeos/audio/volume_view.h"
 #include "ash/common/system/tray/system_tray.h"
@@ skipping 74 matching lines @@
 
 void TrayAudio::DestroyDetailedView() {
   if (audio_detail_view_) {
     audio_detail_view_ = nullptr;
   } else if (volume_view_) {
     volume_view_ = nullptr;
     pop_up_volume_view_ = false;
   }
 }
 
-bool TrayAudio::ShouldHideArrow() const {
-  return true;
-}
-
 bool TrayAudio::ShouldShowShelf() const {
   return !pop_up_volume_view_;
 }
 
 void TrayAudio::OnOutputNodeVolumeChanged(uint64_t /* node_id */,
                                           int /* volume */) {
   float percent =
       static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f;
   if (tray_view())
     tray_view()->SetVisible(GetInitialVisibility());
@@ skipping 96 matching lines @@
     volume_view_->SetVolumeLevel(
         static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f);
     volume_view_->Update();
   }
 
   if (audio_detail_view_)
     audio_detail_view_->Update();
 }
 
 }  // namespace ash