Remove //device/devices_app.

This change removes the code to create a Mojo app containing device
services (currently only USB) and instead makes the Mojo bindings for
//device/usb part of that directory.

The Mojo service implementation is still in a separate //device/usb/mojo
target but this will eventually merge into its parent directory as the
Mojo interface becomes the only public interface for //device/usb.

BUG=None

Review URL: https://codereview.chromium.org/1682363002

Cr-Commit-Position: refs/heads/master@{#374778}

1 files changed, 0 insertions, 111 deletions

diff --git a/device/devices_app/usb/device_manager_impl.h b/device/devices_app/usb/device_manager_impl.h
deleted file mode 100644
index 4e9578d..0000000
--- a/device/devices_app/usb/device_manager_impl.h
+++ /dev/null
@@ -1,111 +0,0 @@
-// 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.
-
-#ifndef DEVICE_USB_DEVICE_MANAGER_IMPL_H_
-#define DEVICE_USB_DEVICE_MANAGER_IMPL_H_
-
-#include <queue>
-#include <set>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/scoped_observer.h"
-#include "device/devices_app/usb/public/interfaces/device_manager.mojom.h"
-#include "device/devices_app/usb/public/interfaces/permission_provider.mojom.h"
-#include "device/usb/usb_service.h"
-#include "mojo/public/cpp/bindings/array.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-
-namespace base {
-class SequencedTaskRunner;
-}
-
-namespace device {
-
-class UsbDevice;
-class UsbDeviceFilter;
-class UsbDeviceHandle;
-
-namespace usb {
-
-class DeviceManagerDelegate;
-
-// Implementation of the public DeviceManager interface. This interface can be
-// requested from the devices app located at "mojo:devices", if available.
-class DeviceManagerImpl : public DeviceManager,
-                          public device::UsbService::Observer {
- public:
-  using DeviceList = std::vector<scoped_refptr<UsbDevice>>;
-  using DeviceMap = std::map<std::string, scoped_refptr<device::UsbDevice>>;
-
-  static void Create(PermissionProviderPtr permission_provider,
-                     mojo::InterfaceRequest<DeviceManager> request);
-
-  DeviceManagerImpl(PermissionProviderPtr permission_provider,
-                    mojo::InterfaceRequest<DeviceManager> request);
-  ~DeviceManagerImpl() override;
-
-  void set_connection_error_handler(const mojo::Closure& error_handler) {
-    connection_error_handler_ = error_handler;
-  }
-
- private:
-  // DeviceManager implementation:
-  void GetDevices(EnumerationOptionsPtr options,
-                  const GetDevicesCallback& callback) override;
-  void GetDeviceChanges(const GetDeviceChangesCallback& callback) override;
-  void GetDevice(const mojo::String& guid,
-                 mojo::InterfaceRequest<Device> device_request) override;
-
-  // Callbacks to handle the async responses from the underlying UsbService.
-  void OnGetDevicePermissionCheckComplete(
-      scoped_refptr<device::UsbDevice> device,
-      mojo::InterfaceRequest<Device> device_request,
-      mojo::Array<mojo::String> allowed_guids);
-  void OnGetDevices(EnumerationOptionsPtr options,
-                    const GetDevicesCallback& callback,
-                    const DeviceList& devices);
-
-  // UsbService::Observer implementation:
-  void OnDeviceAdded(scoped_refptr<device::UsbDevice> device) override;
-  void OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) override;
-  void WillDestroyUsbService() override;
-
-  void MaybeRunDeviceChangesCallback();
-  void OnEnumerationPermissionCheckComplete(
-      const DeviceMap& devices_added,
-      const DeviceMap& devices_removed,
-      mojo::Array<mojo::String> allowed_guids);
-
-  PermissionProviderPtr permission_provider_;
-
-  // If there are unfinished calls to GetDeviceChanges their callbacks
-  // are stored in |device_change_callbacks_|. Otherwise device changes
-  // are collected in |devices_added_| and |devices_removed_| until the
-  // next call to GetDeviceChanges.
-  std::queue<GetDeviceChangesCallback> device_change_callbacks_;
-  DeviceMap devices_added_;
-  DeviceMap devices_removed_;
-  // To ensure that GetDeviceChangesCallbacks are called in the correct order
-  // only perform a single request to |permission_provider_| at a time.
-  bool permission_request_pending_ = false;
-
-  UsbService* usb_service_;
-  ScopedObserver<device::UsbService, device::UsbService::Observer> observer_;
-
-  mojo::Closure connection_error_handler_;
-
-  mojo::Binding<DeviceManager> binding_;
-  base::WeakPtrFactory<DeviceManagerImpl> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DeviceManagerImpl);
-};
-
-}  // namespace usb
-}  // namespace device
-
-#endif  // DEVICE_USB_DEVICE_MANAGER_IMPL_H_