Revert of Build a basic Mojo service framework for device/usb

device/usb/device_impl.cc

-// 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.
-
-#include "device/usb/device_impl.h"
-#include "device/usb/type_converters.h"
-#include "device/usb/usb_device.h"
-
-namespace device {
-namespace usb {
-
-DeviceImpl::DeviceImpl(scoped_refptr<UsbDevice> device,
-                       mojo::InterfaceRequest<Device> request)
-    : binding_(this, request.Pass()),
-      device_(device),
-      info_(DeviceInfo::From(*device)) {
-  // TODO(rockot/reillyg): Support more than just the current configuration.
-  // Also, converting configuration info should be done in the TypeConverter,
-  // but GetConfiguration() is non-const so we do it here for now.
-  const UsbConfigDescriptor* config = device->GetConfiguration();
-  info_->configurations = mojo::Array<ConfigurationInfoPtr>::New(0);
-  if (config)
-    info_->configurations.push_back(ConfigurationInfo::From(*config));
-}
-
-DeviceImpl::~DeviceImpl() {
-}
-
-void DeviceImpl::GetDeviceInfo(const GetDeviceInfoCallback& callback) {
-  callback.Run(info_.Clone());
-}
-
-}  // namespace usb
-}  // namespace device