Use the correct launcher assets for shelf alignment.

ash/launcher/launcher_button.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_BUTTON_H_
 #define ASH_LAUNCHER_LAUNCHER_BUTTON_H_
 
 #include "ui/gfx/shadow_value.h"
 #include "ui/views/controls/button/custom_button.h"
 #include "ui/views/controls/image_view.h"
 
 namespace ash {
 namespace internal {
 
 class LauncherButtonHost;
+class ShelfLayoutManager;
 
 // Button used for items on the launcher, except for the AppList.
 class LauncherButton : public views::CustomButton {
  public:
   // Used to indicate the current state of the button.
   enum State {
     // Nothing special. Usually represents an app shortcut item with no running
     // instance.
     STATE_NORMAL    = 0,
     // Button has mouse hovering on it.
     STATE_HOVERED   = 1 << 0,
     // Underlying LauncherItem has a running instance.
     //   e.g. A TYPE_TABBED item that has a window.
     STATE_RUNNING   = 1 << 1,
     // Underlying LauncherItem is active (i.e. has focus).
     STATE_ACTIVE    = 1 << 2,
     // Underlying LauncherItem needs user's attention.
     STATE_ATTENTION = 1 << 3,
     STATE_FOCUSED   = 1 << 4,
   };
 
   virtual ~LauncherButton();
 
   // Called to create an instance of a LauncherButton.
   static LauncherButton* Create(views::ButtonListener* listener,
-                                LauncherButtonHost* host);
+                                LauncherButtonHost* host,
+                                ShelfLayoutManager* shelf_layout_manager);
 
   // Sets the image to display for this entry.
   void SetImage(const gfx::ImageSkia& image);
 
   // |state| is or'd into the current state.
   void AddState(State state);
   void ClearState(State state);
   int state() const { return state_; }
 
   // Returns the bounds of the icon.
   gfx::Rect GetIconBounds() const;
 
  protected:
-  LauncherButton(views::ButtonListener* listener, LauncherButtonHost* host);
+  LauncherButton(views::ButtonListener* listener,
+                 LauncherButtonHost* host,
+                 ShelfLayoutManager* shelf_layout_manager);
 
   // Class that draws the icon part of a button, so it can be animated
   // independently of the rest. This can be subclassed to provide a custom
   // implementation, by overriding CreateIconView().
   class IconView : public views::ImageView {
    public:
     IconView();
     virtual ~IconView();
 
     void set_icon_size(int icon_size) { icon_size_ = icon_size; }
@@ skipping 48 matching lines @@
   void UpdateState();
 
   LauncherButtonHost* host_;
   IconView* icon_view_;
   // Draws a bar underneath the image to represent the state of the application.
   BarView* bar_;
   // The current state of the application, multiple values of AppState are or'd
   // together.
   int state_;
 
+  ShelfLayoutManager* shelf_layout_manager_;
+
   gfx::ShadowValues icon_shadows_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherButton);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_BUTTON_H_