Refactors the auto-launch logic and adds tests for it.

ui/app_list/views/contents_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 UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
 #define UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 34 matching lines @@
   // The app list gets closed and drag and drop operations need to be cancelled.
   void CancelDrag();
 
   // If |drag_and_drop| is not NULL it will be called upon drag and drop
   // operations outside the application list.
   void SetDragAndDropHostOfCurrentAppList(
       ApplicationDragAndDropHost* drag_and_drop_host);
 
   void ShowSearchResults(bool show);
   void ShowFolderContent(AppListFolderItem* folder);
-  void CancelAutoLaunch();
 
   void Prerender();
 
   AppsContainerView* apps_container_view() { return apps_container_view_; }
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
   virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
@@ skipping 15 matching lines @@
 
   // Overridden from ui::EventHandler:
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
   virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
 
   ShowState show_state_;
   PaginationModel* pagination_model_;  // Owned by AppListController.
 
   AppsContainerView* apps_container_view_;  // Owned by the views hierarchy.
 
-  AppListViewDelegate* view_delegate_;  // Owned by AppListView
-
   scoped_ptr<views::ViewModel> view_model_;
   scoped_ptr<views::BoundsAnimator> bounds_animator_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentsView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_