Revert of Remove some legacy versions of StartsWith and EndsWith.

components/storage_monitor/volume_mount_watcher_win.cc

 // Copyright 2014 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 "components/storage_monitor/volume_mount_watcher_win.h"
 
 #include <windows.h>
 
 #include <dbt.h>
 #include <fileapi.h>
@@ skipping 52 matching lines @@
   if (drive_type == DRIVE_FIXED || drive_type == DRIVE_REMOTE ||
       drive_type == DRIVE_RAMDISK) {
     return FIXED;
   }
   if (drive_type != DRIVE_REMOVABLE)
     return FLOPPY;
 
   // Check device strings of the form "X:" and "\\.\X:"
   // For floppy drives, these will return strings like "/Device/Floppy0"
   base::string16 device = mount_point;
-  if (base::EndsWith(mount_point, L"\\", base::CompareCase::INSENSITIVE_ASCII))
+  if (base::EndsWith(mount_point, L"\\", false))
     device = mount_point.substr(0, mount_point.length() - 1);
   base::string16 device_path;
   base::string16 device_path_slash;
   DWORD dos_device = QueryDosDevice(
       device.c_str(), base::WriteInto(&device_path, kMaxPathBufLen),
       kMaxPathBufLen);
   base::string16 device_slash = base::string16(L"\\\\.\\");
   device_slash += device;
   DWORD dos_device_slash = QueryDosDevice(
       device_slash.c_str(), base::WriteInto(&device_path_slash, kMaxPathBufLen),
@@ skipping 460 matching lines @@
     callback.Run(StorageMonitor::EJECT_FAILURE);
     return;
   }
 
   device_info_task_runner_->PostTask(
       FROM_HERE, base::Bind(&EjectDeviceInThreadPool, device, callback,
                             device_info_task_runner_, 0));
 }
 
 }  // namespace storage_monitor