[Win] App launcher drag/drop.

ui/app_list/views/app_list_item_view.h

Index: ui/app_list/views/app_list_item_view.h
diff --git a/ui/app_list/views/app_list_item_view.h b/ui/app_list/views/app_list_item_view.h
index 2a5b4a7409776241e5a6e0496cf4bab9728747f8..ad51da354b7077889baa71f45fde498998d7aa61 100644
--- a/ui/app_list/views/app_list_item_view.h
+++ b/ui/app_list/views/app_list_item_view.h
@@ -48,6 +48,8 @@ class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
 
   const views::Label* title() const { return title_; }
 
+  gfx::ImageSkia GetDragImage();
+
  private:
   enum UIState {
     UI_STATE_NORMAL,    // Normal UI (icon + label)
@@ -91,7 +93,6 @@ class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
-  virtual void OnMouseCaptureLost() OVERRIDE;
   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
 
   // ui::EventHandler overrides: