Merge from vscode f2d41726ba5a0e8abfe61b2c743022b1b6372010 (#7415)

* Merge from vscode f2d41726ba5a0e8abfe61b2c743022b1b6372010

* add missing files

src/vs/platform/credentials/node/credentialsService.ts

@@ -0,0 +1,40 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ICredentialsService } from 'vs/platform/credentials/common/credentials';
+import { IdleValue } from 'vs/base/common/async';
+
+type KeytarModule = typeof import('keytar');
+export class KeytarCredentialsService implements ICredentialsService {
+
+	_serviceBrand: undefined;
+
+	private readonly _keytar = new IdleValue<Promise<KeytarModule>>(() => import('keytar'));
+
+	async getPassword(service: string, account: string): Promise<string | null> {
+		const keytar = await this._keytar.getValue();
+		return keytar.getPassword(service, account);
+	}
+
+	async setPassword(service: string, account: string, password: string): Promise<void> {
+		const keytar = await this._keytar.getValue();
+		return keytar.setPassword(service, account, password);
+	}
+
+	async deletePassword(service: string, account: string): Promise<boolean> {
+		const keytar = await this._keytar.getValue();
+		return keytar.deletePassword(service, account);
+	}
+
+	async findPassword(service: string): Promise<string | null> {
+		const keytar = await this._keytar.getValue();
+		return keytar.findPassword(service);
+	}
+
+	async findCredentials(service: string): Promise<Array<{ account: string, password: string }>> {
+		const keytar = await this._keytar.getValue();
+		return keytar.findCredentials(service);
+	}
+}