Revert of Introduce the devices Mojo app

device/devices_app/devices_apptest.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 "base/bind.h"
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/run_loop.h"
-#include "device/devices_app/devices_app.h"
-#include "device/usb/public/interfaces/device_manager.mojom.h"
-#include "mojo/application/public/cpp/application_impl.h"
-#include "mojo/application/public/cpp/application_test_base.h"
-
-namespace device {
-namespace {
-
-class DevicesAppTest : public mojo::test::ApplicationTestBase {
- public:
-  DevicesAppTest() {}
-  ~DevicesAppTest() override {}
-
-  void SetUp() override {
-    ApplicationTestBase::SetUp();
-    mojo::URLRequestPtr request = mojo::URLRequest::New();
-    request->url = "mojo:devices";
-    application_impl()->ConnectToService(request.Pass(), &usb_device_manager_);
-  }
-
-  usb::DeviceManager* usb_device_manager() { return usb_device_manager_.get(); }
-
- private:
-  usb::DeviceManagerPtr usb_device_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(DevicesAppTest);
-};
-
-void OnGetDevices(const base::Closure& continuation,
-                  mojo::Array<usb::DeviceInfoPtr> devices) {
-  continuation.Run();
-}
-
-}  // namespace
-
-// Simple test to verify that we can connect to the USB DeviceManager and get
-// a response.
-TEST_F(DevicesAppTest, GetUSBDevices) {
-  base::RunLoop loop;
-  usb::EnumerationOptionsPtr options = usb::EnumerationOptions::New();
-  options->filters = mojo::Array<usb::DeviceFilterPtr>(1);
-  options->filters[0] = usb::DeviceFilter::New();
-  usb_device_manager()->GetDevices(
-      options.Pass(), base::Bind(&OnGetDevices, loop.QuitClosure()));
-  loop.Run();
-}
-
-}  // namespace device