Use interface associations to check function permissions.

device/usb/mojo/fake_permission_provider.h

Index: device/usb/mojo/fake_permission_provider.h
diff --git a/device/usb/mojo/fake_permission_provider.h b/device/usb/mojo/fake_permission_provider.h
deleted file mode 100644
index 8d0381325701ab88f904beeadef830a564d9eacf..0000000000000000000000000000000000000000
--- a/device/usb/mojo/fake_permission_provider.h
+++ /dev/null
@@ -1,36 +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_FAKE_PERMISSION_PROVIDER_H_
-#define DEVICE_USB_FAKE_PERMISSION_PROVIDER_H_
-
-#include <stdint.h>
-
-#include "base/memory/weak_ptr.h"
-#include "device/usb/mojo/permission_provider.h"
-
-namespace device {
-namespace usb {
-
-class FakePermissionProvider : public PermissionProvider {
- public:
-  FakePermissionProvider();
-  ~FakePermissionProvider() override;
-
-  base::WeakPtr<PermissionProvider> GetWeakPtr();
-  bool HasDevicePermission(const DeviceInfo& device_info) const override;
-  bool HasConfigurationPermission(uint8_t requested_configuration,
-                                  const DeviceInfo& device_info) const override;
-  bool HasInterfacePermission(uint8_t requested_interface,
-                              uint8_t configuration_value,
-                              const DeviceInfo& device_info) const override;
-
- private:
-  base::WeakPtrFactory<PermissionProvider> weak_factory_;
-};
-
-}  // namespace usb
-}  // namespace device
-
-#endif  // DEVICE_USB_FAKE_PERMISSION_PROVIDER_H_