Refactor LauncherDelegate

ash/launcher/launcher_view.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_LAUNCHER_LAUNCHER_VIEW_H_
 #define ASH_LAUNCHER_LAUNCHER_VIEW_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 17 matching lines @@
 
 namespace ash {
 
 namespace test {
 class LauncherViewTestAPI;
 }
 
 class LauncherDelegate;
 struct LauncherItem;
 class LauncherIconObserver;
+class LauncherItemDelegateManager;
 class LauncherModel;
 
 namespace internal {
 
 class DragImageView;
 class LauncherButton;
 class LauncherTooltipManager;
 class ShelfLayoutManager;
 class OverflowBubble;
 class OverflowButton;
@@ skipping 331 matching lines @@
 
   // The cursor offset to the middle of the dragged item.
   gfx::Vector2d drag_image_offset_;
 
   // The view which gets replaced by our drag icon proxy.
   views::View* drag_replaced_view_;
 
   // True when the icon was dragged off the shelf.
   bool dragged_off_shelf_;
 
+  // Holds LauncherItemDelegateManager.
+  LauncherItemDelegateManager* item_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(LauncherView);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_VIEW_H_