The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/252bd536aff3249ae046eec0be35b4fc60995756

commit 252bd536aff3249ae046eec0be35b4fc60995756
Author: estade <estade@chromium.org>
Date: Tue Feb 07 23:40:01 2017

Remove FixedSizedScrollView.

In MD it was equivalent to a normal views::ScrollView, so this should
not change any behaviors.

BUG= 686291 

Review-Url: https://codereview.chromium.org/2671063002
Cr-Commit-Position: refs/heads/master@{#448791}

[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/BUILD.gn
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/chromeos/audio/audio_detailed_view.cc
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/chromeos/bluetooth/tray_bluetooth.cc
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/chromeos/cast/tray_cast.cc
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/chromeos/ime_menu/ime_menu_tray.cc
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/chromeos/network/network_state_list_detailed_view.cc
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/chromeos/network/tray_sms.cc
[delete] https://crrev.com/26140d43a8fd469f8746ba6552192517276652af/ash/common/system/tray/fixed_sized_scroll_view.cc
[delete] https://crrev.com/26140d43a8fd469f8746ba6552192517276652af/ash/common/system/tray/fixed_sized_scroll_view.h
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/tray/tray_details_view.cc
[modify] https://crrev.com/252bd536aff3249ae046eec0be35b4fc60995756/ash/common/system/tray/tray_details_view.h