Merge from vscode 8e0f348413f4f616c23a88ae30030efa85811973 (#6381)

* Merge from vscode 8e0f348413f4f616c23a88ae30030efa85811973

* disable strict null check

src/vs/workbench/workbench.web.api.ts

@@ -0,0 +1,61 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import 'vs/workbench/workbench.web.main';
+import { main } from 'vs/workbench/browser/web.main';
+import { UriComponents } from 'vs/base/common/uri';
+import { IFileSystemProvider } from 'vs/platform/files/common/files';
+import { IRequestOptions, IRequestContext } from 'vs/platform/request/common/request';
+
+export interface IWorkbenchConstructionOptions {
+
+	/**
+	 * Experimental: the remote authority is the IP:PORT from where the workbench is served
+	 * from. It is for example being used for the websocket connections as address.
+	 */
+	remoteAuthority: string;
+
+	/**
+	 * Experimental: An endpoint to serve iframe content ("webview") from. This is required
+	 * to provide full security isolation from the workbench host.
+	 */
+	webviewEndpoint?: string;
+
+	/**
+	 * Experimental: An optional folder that is set as workspace context for the workbench.
+	 */
+	folderUri?: UriComponents;
+
+	/**
+	 * Experimental: An optional workspace that is set as workspace context for the workbench.
+	 */
+	workspaceUri?: UriComponents;
+
+	/**
+	 * Experimental: The userDataProvider is used to handle user specific application
+	 * state like settings, keybindings, UI state (e.g. opened editors) and snippets.
+	 */
+	userDataProvider?: IFileSystemProvider;
+
+	/**
+	 * Experimental: Optional request handler to handle http requests.
+	 * In case not provided, workbench uses <code>XMLHttpRequest</code>.
+	 */
+	requestHandler?: (requestOptions: IRequestOptions) => Promise<IRequestContext>;
+}
+
+/**
+ * Experimental: Creates the workbench with the provided options in the provided container.
+ *
+ * @param domElement the container to create the workbench in
+ * @param options for setting up the workbench
+ */
+function create(domElement: HTMLElement, options: IWorkbenchConstructionOptions): Promise<void> {
+	return main(domElement, options);
+}
+
+export {
+	create
+};