Remove BalloonCollectionImplAsh.

chrome/browser/ui/views/ash/balloon_view_ash.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 CHROME_BROWSER_UI_VIEWS_ASH_BALLOON_VIEW_ASH_H_
-#define CHROME_BROWSER_UI_VIEWS_ASH_BALLOON_VIEW_ASH_H_
-
-#include <vector>
-
-#include "base/memory/linked_ptr.h"
-#include "chrome/browser/notifications/balloon.h"
-
-namespace gfx {
-class Image;
-}
-
-// On Ash, a "BalloonView" is just a wrapper for ash notification entries.
-class BalloonViewAsh : public BalloonView {
- public:
-  explicit BalloonViewAsh(BalloonCollection* collection);
-  virtual ~BalloonViewAsh();
-
-  // BalloonView interface.
-  virtual void Show(Balloon* balloon) OVERRIDE;
-  virtual void Update() OVERRIDE;
-  virtual void RepositionToBalloon() OVERRIDE;
-  virtual void Close(bool by_user) OVERRIDE;
-  virtual gfx::Size GetSize() const OVERRIDE;
-  virtual BalloonHost* GetHost() const OVERRIDE;
-
-  void SetNotificationIcon(const std::string& notification_id,
-                           const gfx::Image& image);
-  void SetNotificationImage(const std::string& notification_id,
-                            const gfx::Image& image);
-  void SetNotificationButtonIcon(const std::string& notification_id,
-                                 int button_index,
-                                 const gfx::Image& image);
-
- private:
-  class ImageDownload;
-
-  typedef std::vector<linked_ptr<ImageDownload> > ImageDownloads;
-
-  void DownloadImages(const Notification& notification);
-
-  BalloonCollection* collection_;
-  Balloon* balloon_;
-
-  // Track the current notification id and downloads so the notification can be
-  // updated properly.
-  std::string notification_id_;
-  ImageDownloads downloads_;
-
-  DISALLOW_COPY_AND_ASSIGN(BalloonViewAsh);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_ASH_BALLOON_VIEW_ASH_H_