Move OnFileSystemMounted/BeingUnmounted to VolumeManager.

chrome/browser/chromeos/extensions/file_manager/private_api_mount.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_mount.h"
 
 #include "base/format_macros.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
@@ skipping 68 matching lines @@
                    "%s[%d] called. (source: '%s', type:'%s')",
                    name().c_str(),
                    request_id(),
                    file_url.empty() ? "(none)" : file_url.c_str(),
                    mount_type.c_str());
   set_log_on_completion(true);
 
   if (mount_type == "drive") {
     // Dispatch fake 'mounted' event because JS code depends on it.
     // TODO(hashimoto): Remove this redanduncy.
-    file_manager::FileBrowserPrivateAPI::Get(profile_)->event_router()->
-        OnFileSystemMounted();
+    file_manager::VolumeManager::Get(profile_)->OnFileSystemMounted();
 
     // Pass back the drive mount point path as source path.
     const std::string& drive_path =
         drive::util::GetDriveMountPointPathAsString();
     SetResult(new base::StringValue(drive_path));
     SendResponse(true);
   } else if (mount_type == "archive") {
     const base::FilePath path = file_manager::util::GetLocalPathFromURL(
         render_view_host(), profile(), GURL(file_url));
 
@@ skipping 129 matching lines @@
       logging::LOG_INFO,
       "%s[%d] succeeded. (results: '[%s]', %" PRIuS " mount points)",
       name().c_str(), request_id(), log_string.c_str(), result->GetSize());
 
   SetResult(result);
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions