Use interface associations to check function permissions.

device/usb/mojo/fake_permission_provider.cc

Index: device/usb/mojo/fake_permission_provider.cc
diff --git a/device/usb/mojo/fake_permission_provider.cc b/device/usb/mojo/fake_permission_provider.cc
deleted file mode 100644
index c1003187d261ea7c14dc8ccf40f83660b2dfd9d6..0000000000000000000000000000000000000000
--- a/device/usb/mojo/fake_permission_provider.cc
+++ /dev/null
@@ -1,40 +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.
-
-#include "device/usb/mojo/fake_permission_provider.h"
-
-#include <stddef.h>
-#include <utility>
-
-namespace device {
-namespace usb {
-
-FakePermissionProvider::FakePermissionProvider() : weak_factory_(this) {}
-
-FakePermissionProvider::~FakePermissionProvider() {}
-
-base::WeakPtr<PermissionProvider> FakePermissionProvider::GetWeakPtr() {
-  return weak_factory_.GetWeakPtr();
-}
-
-bool FakePermissionProvider::HasDevicePermission(
-    const device::usb::DeviceInfo& device_info) const {
-  return true;
-}
-
-bool FakePermissionProvider::HasConfigurationPermission(
-    uint8_t requested_configuration,
-    const device::usb::DeviceInfo& device_info) const {
-  return true;
-}
-
-bool FakePermissionProvider::HasInterfacePermission(
-    uint8_t requested_interface,
-    uint8_t configuration_value,
-    const device::usb::DeviceInfo& device_info) const {
-  return true;
-}
-
-}  // namespace usb
-}  // namespace device