Remove MTP support on Linux.

chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h

Index: chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h
diff --git a/chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h b/chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h
deleted file mode 100644
index 21543f1792b692b01809fef4857aa88890617d39..0000000000000000000000000000000000000000
--- a/chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_MAP_SERVICE_H_
-#define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_MAP_SERVICE_H_
-
-#include <map>
-#include <string>
-
-#include "base/lazy_instance.h"
-#include "base/macros.h"
-
-class MTPDeviceTaskHelper;
-
-// MTPDeviceTaskHelperMapService manages MTPDeviceTaskHelper objects.
-// MTPDeviceTaskHelperMapService lives on the UI thread.
-class MTPDeviceTaskHelperMapService {
- public:
-  static MTPDeviceTaskHelperMapService* GetInstance();
-
-  // Creates and returns the MTPDeviceTaskHelper object for the storage device
-  // specified by the |storage_name|.
-  MTPDeviceTaskHelper* CreateDeviceTaskHelper(const std::string& storage_name,
-                                              const bool read_only);
-
-  // Destroys the MTPDeviceTaskHelper object created by
-  // CreateDeviceTaskHelper().
-  // |storage_name| specifies the name of the storage device.
-  void DestroyDeviceTaskHelper(const std::string& storage_name,
-                               const bool read_only);
-
-  // Gets the MTPDeviceTaskHelper object associated with the device storage.
-  // |storage_name| specifies the name of the storage device.
-  // Return NULL if the |storage_name| is no longer valid (e.g. because the
-  // corresponding storage device is detached, etc).
-  MTPDeviceTaskHelper* GetDeviceTaskHelper(const std::string& storage_name,
-                                           const bool read_only);
-
- private:
-  friend struct base::DefaultLazyInstanceTraits<MTPDeviceTaskHelperMapService>;
-
-  // A key to be used in TaskHelperMap.
-  typedef std::string MTPDeviceTaskHelperKey;
-
-  // Gets a key from |storage_name| and |read_only|.
-  static MTPDeviceTaskHelperKey GetMTPDeviceTaskHelperKey(
-      const std::string& storage_name,
-      const bool read_only);
-
-  // Key: A combined value with storage_name and read_only.
-  // Value: MTPDeviceTaskHelper object.
-  typedef std::map<MTPDeviceTaskHelperKey, MTPDeviceTaskHelper*> TaskHelperMap;
-
-  // Get access to this class using GetInstance() method.
-  MTPDeviceTaskHelperMapService();
-  ~MTPDeviceTaskHelperMapService();
-
-  // Mapping of |storage_name| and MTPDeviceTaskHelper*.
-  // TaskHelperMap owns MTPDeviceTaskHelper objects.
-  TaskHelperMap task_helper_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(MTPDeviceTaskHelperMapService);
-};
-
-#endif  // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_MAP_SERVICE_H_