Disable drive scan on startup to avoid spinning floppy drives

chrome/browser/storage_monitor/test_volume_mount_watcher_win.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.
 //
 // TestVolumeMountWatcherWin implementation.
 
 #include "chrome/browser/storage_monitor/test_volume_mount_watcher_win.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 131 matching lines @@
     string16* device_location,
     std::string* unique_id,
     string16* name,
     bool* removable,
     uint64* total_size_in_bytes) {
   return GetMassStorageDeviceDetails(
       device_path, device_location, unique_id, name, removable,
       total_size_in_bytes);
 }
 
+void TestVolumeMountWatcherWin::ShutdownWorkerPool() {
+  device_info_worker_pool_->Shutdown();
+}
+
 }  // namespace test
 }  // namespace chrome