Add a receiver interface to RemovableStorageNotifications.

chrome/browser/system_monitor/removable_device_notifications_chromeos.cc

 // 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.
 
 // chromeos::RemovableDeviceNotificationsCros implementation.
 
 #include "chrome/browser/system_monitor/removable_device_notifications_chromeos.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
@@ skipping 138 matching lines @@
           BrowserThread::FILE, FROM_HERE,
           base::Bind(
               &RemovableDeviceNotificationsCros::CheckMountedPathOnFileThread,
               this, mount_info));
       break;
     }
     case disks::DiskMountManager::UNMOUNTING: {
       MountMap::iterator it = mount_map_.find(mount_info.mount_path);
       if (it == mount_map_.end())
         return;
-      ProcessDetach(it->second.storage_info.device_id);
+      receiver()->ProcessDetach(it->second.storage_info.device_id);
       mount_map_.erase(it);
       break;
     }
   }
 }
 
 void RemovableDeviceNotificationsCros::OnFormatEvent(
     disks::DiskMountManager::FormatEvent event,
     FormatError error_code,
     const std::string& device_path) {
@@ skipping 69 matching lines @@
       chrome::MediaStorageUtil::REMOVABLE_MASS_STORAGE_WITH_DCIM :
       chrome::MediaStorageUtil::REMOVABLE_MASS_STORAGE_NO_DCIM;
 
   std::string device_id = chrome::MediaStorageUtil::MakeDeviceId(type,
                                                                  unique_id);
   StorageObjectInfo object_info = {
       StorageInfo(device_id, device_label, mount_info.mount_path),
       storage_size_in_bytes
   };
   mount_map_.insert(std::make_pair(mount_info.mount_path, object_info));
-  ProcessAttach(
+  receiver()->ProcessAttach(
       device_id,
       chrome::GetDisplayNameForDevice(storage_size_in_bytes, device_label),
       mount_info.mount_path);
 }
 
 }  // namespace chromeos