Updates to icons for Ash material design system tray

ash/system/chromeos/rotation/tray_rotation_lock.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/system/chromeos/rotation/tray_rotation_lock.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_item_more.h"
@@ skipping 66 matching lines @@
   SetVisible(false);
 }
 
 void RotationLockDefaultView::UpdateImage() {
   const bool rotation_locked =
       Shell::GetInstance()->screen_orientation_controller()->rotation_locked();
   if (MaterialDesignController::UseMaterialDesignSystemIcons()) {
     const gfx::VectorIconId icon_id =
         rotation_locked ? gfx::VectorIconId::SYSTEM_MENU_ROTATION_LOCK_LOCKED
                         : gfx::VectorIconId::SYSTEM_MENU_ROTATION_LOCK_AUTO;
-    gfx::ImageSkia image_md =
-        CreateVectorIcon(icon_id, kMenuIconSize, kMenuIconColor);
-    SetImage(&image_md);
+    SetImage(gfx::CreateVectorIcon(icon_id, kMenuIconSize, kMenuIconColor));
   } else {
     ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
     const int resource_id = rotation_locked
                                 ? IDR_AURA_UBER_TRAY_AUTO_ROTATION_LOCKED_DARK
                                 : IDR_AURA_UBER_TRAY_AUTO_ROTATION_DARK;
-    SetImage(bundle.GetImageNamed(resource_id).ToImageSkia());
+    SetImage(*bundle.GetImageNamed(resource_id).ToImageSkia());
   }
 
   base::string16 label = l10n_util::GetStringUTF16(
       rotation_locked ? IDS_ASH_STATUS_TRAY_ROTATION_LOCK_LOCKED
                       : IDS_ASH_STATUS_TRAY_ROTATION_LOCK_AUTO);
   SetLabel(label);
   SetAccessibleName(label);
 }
 
 }  // namespace tray
@@ skipping 71 matching lines @@
 }
 
 void TrayRotationLock::StopObservingShell() {
   if (!observing_shell_)
     return;
   WmShell::Get()->RemoveShellObserver(this);
   observing_shell_ = false;
 }
 
 }  // namespace ash