Regularize ownerships and lifecycle for storage monitor platform classes.

chrome/browser/storage_monitor/removable_device_notifications_mac.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_STORAGE_MONITOR_REMOVABLE_DEVICE_NOTIFICATIONS_MAC_H_
 #define CHROME_BROWSER_STORAGE_MONITOR_REMOVABLE_DEVICE_NOTIFICATIONS_MAC_H_
 
 #include <DiskArbitration/DiskArbitration.h>
 #include <map>
 
@@ skipping 43 matching lines @@
   bool ShouldPostNotificationForDisk(const DiskInfoMac& info) const;
   bool FindDiskWithMountPoint(const base::FilePath& mount_point,
                               DiskInfoMac* info) const;
 
   base::mac::ScopedCFTypeRef<DASessionRef> session_;
   // Maps disk bsd names to disk info objects. This map tracks all mountable
   // devices on the system though only notifications for removable devices are
   // posted.
   std::map<std::string, DiskInfoMac> disk_info_map_;
 
+  scoped_ptr<chrome::ImageCaptureDeviceManager> image_capture_device_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(RemovableDeviceNotificationsMac);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_REMOVABLE_DEVICE_NOTIFICATIONS_MAC_H_