drive: Fix two instances of madness in FileBrowserEventRouter

chrome/browser/chromeos/extensions/file_browser_event_router_browsertest.cc

 // Copyright (c) 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_browser_event_router.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chromeos/extensions/file_browser_private_api.h"
 #include "chrome/browser/chromeos/extensions/file_browser_private_api_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 21 matching lines @@
     disk_mount_manager_mock_->SetupDefaultReplies();
   }
 
   MockDiskMountManager* disk_mount_manager_mock_;
 };
 
 IN_PROC_BROWSER_TEST_F(FileBrowserEventRouterBrowserTest,
                        ExternalStoragePolicyTest) {
   FileBrowserPrivateAPI* file_browser =
       FileBrowserPrivateAPIFactory::GetForProfile(browser()->profile());
-  scoped_refptr<FileBrowserEventRouter> event_router =
+  FileBrowserEventRouter* event_router =
       file_browser->event_router();
 
   DiskMountManager::DiskEvent event = DiskMountManager::DISK_ADDED;
   // Prepare a fake disk. All that matters here is that the mount point is empty
   // but the device path is not so that it will exercise the path we care about.
   DiskMountManager::Disk disk(
       "fake_path", "", "X", "X", "X", "X", "X", "X", "X", "X", "X", "X",
       chromeos::DEVICE_TYPE_USB, 1, false, false, true, false, false);
 
   // First we set the policy to prevent storage mounting and check that the
@@ skipping 12 matching lines @@
   EXPECT_CALL(*disk_mount_manager_mock_,
               MountPath("fake_path", "", "", chromeos::MOUNT_TYPE_DEVICE))
       .Times(1);
 
   event_router->OnDiskEvent(event, &disk);
 }
 
 }  // namespace
 }  // namespace disks
 }  // namespace chromeos