Implement all system menu title row buttons for Ash MD

ash/common/system/tray/system_menu_button.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/system_menu_button.h"
 
 #include "ash/common/ash_constants.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/views/animation/flood_fill_ink_drop_ripple.h"
 #include "ui/views/animation/ink_drop_highlight.h"
 #include "ui/views/border.h"
 #include "ui/views/painter.h"
 
 namespace ash {
 
 SystemMenuButton::SystemMenuButton(views::ButtonListener* listener,
                                    const gfx::VectorIcon& icon,
                                    int accessible_name_id)
     : views::ImageButton(listener) {
   gfx::ImageSkia image = gfx::CreateVectorIcon(icon, kMenuIconColor);
   SetImage(views::Button::STATE_NORMAL, &image);
+  gfx::ImageSkia disabled_image =
+      gfx::CreateVectorIcon(icon, kMenuIconColorDisabled);
+  SetImage(views::Button::STATE_DISABLED, &disabled_image);
+
   const int horizontal_padding = (kMenuButtonSize - image.width()) / 2;
   const int vertical_padding = (kMenuButtonSize - image.height()) / 2;
   SetBorder(
       views::Border::CreateEmptyBorder(vertical_padding, horizontal_padding,
                                        vertical_padding, horizontal_padding));
 
   SetTooltipText(l10n_util::GetStringUTF16(accessible_name_id));
 
   // TODO(tdanderson): Update the focus rect color, border thickness, and
   // location for material design.
@@ skipping 18 matching lines @@
 std::unique_ptr<views::InkDropHighlight>
 SystemMenuButton::CreateInkDropHighlight() const {
   return nullptr;
 }
 
 bool SystemMenuButton::ShouldShowInkDropForFocus() const {
   return false;
 }
 
 }  // namespace ash