[ash-md] Update text layout in system menu.

ash/common/system/tray/tray_popup_utils.cc

 // Copyright 2016 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/tray/tray_popup_utils.h"
 
 #include "ash/common/ash_constants.h"
 #include "ash/common/ash_view_ids.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
@@ skipping 26 matching lines @@
 
 namespace ash {
 
 namespace {
 
 // Creates a layout manager that positions Views vertically. The Views will be
 // stretched horizontally and centered vertically.
 std::unique_ptr<views::LayoutManager> CreateDefaultCenterLayoutManager() {
   // TODO(bruthig): Use constants instead of magic numbers.
   auto box_layout =
-      base::MakeUnique<views::BoxLayout>(views::BoxLayout::kVertical, 4, 8, 4);
+      base::MakeUnique<views::BoxLayout>(views::BoxLayout::kVertical, 4, 8, 0);
   box_layout->set_main_axis_alignment(
       views::BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER);
   box_layout->set_cross_axis_alignment(
       views::BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
   return std::move(box_layout);
 }
 
 // Creates a layout manager that positions Views horizontally. The Views will be
 // centered along the horizontal and vertical axis.
 std::unique_ptr<views::LayoutManager> CreateDefaultEndsLayoutManager() {
@@ skipping 372 matching lines @@
 bool TrayPopupUtils::CanOpenWebUISettings(LoginStatus status) {
   // TODO(tdanderson): Consider moving this into WmShell, or introduce a
   // CanShowSettings() method in each delegate type that has a
   // ShowSettings() method.
   return status != LoginStatus::NOT_LOGGED_IN &&
          status != LoginStatus::LOCKED &&
          !WmShell::Get()->GetSessionStateDelegate()->IsInSecondaryLoginScreen();
 }
 
 }  // namespace ash