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

ash/common/system/tray/tray_image_item.cc

Index: ash/common/system/tray/tray_image_item.cc
diff --git a/ash/common/system/tray/tray_image_item.cc b/ash/common/system/tray/tray_image_item.cc
index 04c5ae49c8b0afe8c3118c1ba139e5013ab6026b..ea34b4e6560f904f0f6bfd723b80b60d6d611559 100644
--- a/ash/common/system/tray/tray_image_item.cc
+++ b/ash/common/system/tray/tray_image_item.cc
@@ -4,15 +4,12 @@
 
 #include "ash/common/system/tray/tray_image_item.h"
 
-#include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_item_view.h"
 #include "ash/common/system/tray/tray_utils.h"
 #include "ash/resources/vector_icons/vector_icons.h"
-#include "grit/ash_resources.h"
-#include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/views/controls/image_view.h"
@@ -20,40 +17,11 @@
 
 namespace ash {
 
-namespace {
-
-// Maps a non-MD PNG resource id to its corresponding MD vector icon.
-// TODO(tdanderson): Remove this once material design is enabled by
-// default. See crbug.com/614453.
-const gfx::VectorIcon& ResourceIdToVectorIcon(int resource_id) {
-  switch (resource_id) {
-    case IDR_AURA_UBER_TRAY_ACCESSIBILITY:
-      return kSystemTrayAccessibilityIcon;
-    case IDR_AURA_UBER_TRAY_AUTO_ROTATION_LOCKED:
-      return kSystemTrayRotationLockLockedIcon;
-    case IDR_AURA_UBER_TRAY_CAPS_LOCK:
-      return kSystemTrayCapsLockIcon;
-    case IDR_AURA_UBER_TRAY_TRACING:
-      return kSystemTrayTracingIcon;
-    case IDR_AURA_UBER_TRAY_UPDATE:
-      return kSystemTrayUpdateIcon;
-    case IDR_AURA_UBER_TRAY_VOLUME_MUTE:
-      return kSystemTrayVolumeMuteIcon;
-    default:
-      NOTREACHED();
-      break;
-  }
-
-  return gfx::kNoneIcon;
-}
-
-}  // namespace
-
 TrayImageItem::TrayImageItem(SystemTray* system_tray,
-                             int resource_id,
+                             const gfx::VectorIcon& icon,
                              UmaType uma_type)
     : SystemTrayItem(system_tray, uma_type),
-      resource_id_(resource_id),
+      icon_(&icon),
       icon_color_(kTrayIconColor),
       tray_view_(nullptr) {}
 
@@ -99,23 +67,12 @@ void TrayImageItem::SetIconColor(SkColor color) {
   UpdateImageOnImageView();
 }
 
-void TrayImageItem::SetImageFromResourceId(int resource_id) {
-  resource_id_ = resource_id;
-  UpdateImageOnImageView();
-}
-
 void TrayImageItem::UpdateImageOnImageView() {
   if (!tray_view_)
     return;
 
-  if (MaterialDesignController::UseMaterialDesignSystemIcons()) {
-    tray_view_->image_view()->SetImage(gfx::CreateVectorIcon(
-        ResourceIdToVectorIcon(resource_id_), kTrayIconSize, icon_color_));
-  } else {
-    tray_view_->image_view()->SetImage(ui::ResourceBundle::GetSharedInstance()
-                                           .GetImageNamed(resource_id_)
-                                           .ToImageSkia());
-  }
+  tray_view_->image_view()->SetImage(
+      gfx::CreateVectorIcon(*icon_, kTrayIconSize, icon_color_));
 }
 
 }  // namespace ash