Move settings sync auth into built in extension

src/vs/workbench/services/userDataSync/electron-browser/userDataAuthTokenService.ts

@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IUserDataAuthTokenService } from 'vs/platform/userDataSync/common/userDataSync';
+import { IChannel } from 'vs/base/parts/ipc/common/ipc';
+import { ISharedProcessService } from 'vs/platform/ipc/electron-browser/sharedProcessService';
+import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
+import { Disposable } from 'vs/base/common/lifecycle';
+import { Emitter, Event } from 'vs/base/common/event';
+
+export class UserDataAuthTokenService extends Disposable implements IUserDataAuthTokenService {
+
+	_serviceBrand: undefined;
+
+	private readonly channel: IChannel;
+	private _onDidChangeToken: Emitter<string | undefined> = this._register(new Emitter<string | undefined>());
+	readonly onDidChangeToken: Event<string | undefined> = this._onDidChangeToken.event;
+
+	constructor(
+		@ISharedProcessService sharedProcessService: ISharedProcessService,
+	) {
+		super();
+		this.channel = sharedProcessService.getChannel('authToken');
+	}
+
+	getToken(): Promise<string | undefined> {
+		return this.channel.call('getToken');
+	}
+
+	setToken(token: string | undefined): Promise<undefined> {
+		return this.channel.call('setToken', token);
+	}
+}
+
+registerSingleton(IUserDataAuthTokenService, UserDataAuthTokenService);