Extract device_sensors to /device via Mojofication

device/device_sensors/device_sensors.mojom

+// Copyright 2015 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.
+
+module device;
+
+struct SharedMemory {
+  // For Windows: base::SharedMemoryHandle is defined as HANDLE.
+  uint64 mem_handle;
+  // For Posix: base::SharedMemoryHandle is defined as base::FileDescriptor.
+  int32 fd;
+};
+
+interface DeviceSensorsMotion {
+  // Request to start polling, overlapping calls will be ignored.
+  // process_id is caller process id to be used by DeviceSensorsMotion
+  // implementation to share memory handle for caller process.
+  // shared_mem transmits the shared memory handle back.
+  StartPolling(int32 process_id) => (SharedMemory shared_mem);
+};
+
+interface DeviceSensorsLight {
+  // Request to start polling, overlapping calls will be ignored.
+  // process_id is caller process id to be used by DeviceSensorsLight
+  // implementation to share memory handle for caller process.
+  // shared_mem transmits the shared memory handle back.
+  StartPolling(int32 process_id) => (SharedMemory shared_mem);
+};
+
+interface DeviceSensorsOrientation {
+  // Request to start polling, overlapping calls will be ignored.
+  // process_id is caller process id to be used by DeviceSensorsOrientation
+  // implementation to share memory handle for caller process.
+  // shared_mem transmits the shared memory handle back.
+  StartPolling(int32 process_id) => (SharedMemory shared_mem);
+};