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

ash/common/system/tray/tray_image_item.h

 // Copyright (c) 2012 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.
 
 #ifndef ASH_COMMON_SYSTEM_TRAY_TRAY_IMAGE_ITEM_H_
 #define ASH_COMMON_SYSTEM_TRAY_TRAY_IMAGE_ITEM_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "base/macros.h"
 #include "third_party/skia/include/core/SkColor.h"
 
 namespace views {
 class ImageView;
 }
 
+namespace gfx {
+struct VectorIcon;
+}
+
 namespace ash {
 class TrayItemView;
 
 // A system tray item that uses an image as its "tray view" in the status area.
 class ASH_EXPORT TrayImageItem : public SystemTrayItem {
  public:
-  TrayImageItem(SystemTray* system_tray, int resource_id, UmaType uma_type);
+  TrayImageItem(SystemTray* system_tray,
+                const gfx::VectorIcon& icon,
+                UmaType uma_type);
   ~TrayImageItem() override;
 
   views::View* tray_view();
 
  protected:
   virtual bool GetInitialVisibility() = 0;
 
   // Overridden from SystemTrayItem.
   views::View* CreateTrayView(LoginStatus status) override;
   views::View* CreateDefaultView(LoginStatus status) override;
   views::View* CreateDetailedView(LoginStatus status) override;
   void DestroyTrayView() override;
   void DestroyDefaultView() override;
   void DestroyDetailedView() override;
   void UpdateAfterLoginStatusChange(LoginStatus status) override;
   void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
 
-  // Sets the color of the material design icon to |color|.
+  // Sets the color of the icon to |color|.
   void SetIconColor(SkColor color);
 
-  // Changes the icon of the tray-view to the specified resource.
-  // TODO(tdanderson): This is only used for non-material design, so remove it
-  // when material design is the default. See crbug.com/625692.
-  void SetImageFromResourceId(int resource_id);
-
  private:
   // Sets the current icon on |tray_view_|'s ImageView.
   void UpdateImageOnImageView();
 
-  // The resource ID for the non-material design icon in the tray.
-  // TODO(tdanderson): This is only used for non-material design, so remove it
-  // when material design is the default. See crbug.com/625692.
-  int resource_id_;
-
-  // The color of the material design icon in the tray.
+  // The icon and its current color.
+  const gfx::VectorIcon* icon_ = nullptr;

[Evan Stade, 2017/02/16 19:53:14]

const ref (?)

[tdanderson, 2017/02/17 20:32:48]

Done.

   SkColor icon_color_;
 
   // The image view in the tray.
   TrayItemView* tray_view_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayImageItem);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_IMAGE_ITEM_H_