[Ash MD] Remove pre-MD code from TrayImageItem and subclasses

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/actionable_view.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_popup_item_style.h"
 #include "ash/common/system/tray/tray_popup_utils.h"
 #include "ash/common/system/tray/tri_view.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/display/screen_orientation_controller_chromeos.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/shell.h"
-#include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
 #include "ui/display/display.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/fill_layout.h"
 
 namespace ash {
 
 namespace {
 
@@ skipping 120 matching lines @@
 }
 
 void RotationLockDefaultView::OnRotationLockChanged(bool rotation_locked) {
   Update();
 }
 
 }  // namespace tray
 
 TrayRotationLock::TrayRotationLock(SystemTray* system_tray)
     : TrayImageItem(system_tray,
-                    IDR_AURA_UBER_TRAY_AUTO_ROTATION_LOCKED,
+                    kSystemTrayRotationLockLockedIcon,
                     UMA_ROTATION_LOCK) {
   WmShell::Get()->AddShellObserver(this);
 }
 
 TrayRotationLock::~TrayRotationLock() {
   WmShell::Get()->RemoveShellObserver(this);
 }
 
 void TrayRotationLock::OnRotationLockChanged(bool rotation_locked) {
   tray_view()->SetVisible(ShouldBeVisible());
 }
 
 views::View* TrayRotationLock::CreateDefaultView(LoginStatus status) {
   if (OnPrimaryDisplay())
     return new tray::RotationLockDefaultView(this);
-  return NULL;
+  return nullptr;
 }
 
 void TrayRotationLock::OnMaximizeModeStarted() {
   tray_view()->SetVisible(IsRotationLocked());
   Shell::GetInstance()->screen_orientation_controller()->AddObserver(this);
 }
 
 void TrayRotationLock::OnMaximizeModeEnded() {
   tray_view()->SetVisible(false);
   StopObservingRotation();
@@ skipping 22 matching lines @@
 }
 
 void TrayRotationLock::StopObservingRotation() {
   ScreenOrientationController* controller =
       Shell::GetInstance()->screen_orientation_controller();
   if (controller)
     controller->RemoveObserver(this);
 }
 
 }  // namespace ash