chore(vscode): update to 1.53.2

These conflicts will be resolved in the following commits. We do it this way so
that PR review is possible.

lib/vscode/src/vs/base/parts/ipc/electron-main/ipc.mp.ts

@@ -0,0 +1,57 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { BrowserWindow, ipcMain, IpcMainEvent, MessagePortMain } from 'electron';
+import { Event } from 'vs/base/common/event';
+import { IDisposable } from 'vs/base/common/lifecycle';
+import { generateUuid } from 'vs/base/common/uuid';
+import { Client as MessagePortClient } from 'vs/base/parts/ipc/common/ipc.mp';
+
+/**
+ * An implementation of a `IPCClient` on top of Electron `MessagePortMain`.
+ */
+export class Client extends MessagePortClient implements IDisposable {
+
+	/**
+	 * @param clientId a way to uniquely identify this client among
+	 * other clients. this is important for routing because every
+	 * client can also be a server
+	 */
+	constructor(port: MessagePortMain, clientId: string) {
+		super({
+			addEventListener: (type, listener) => port.addListener(type, listener),
+			removeEventListener: (type, listener) => port.removeListener(type, listener),
+			postMessage: message => port.postMessage(message),
+			start: () => port.start(),
+			close: () => port.close()
+		}, clientId);
+	}
+}
+
+/**
+ * This method opens a message channel connection
+ * in the target window. The target window needs
+ * to use the `Server` from `electron-sandbox/ipc.mp`.
+ */
+export async function connect(window: BrowserWindow): Promise<MessagePortMain> {
+
+	// Assert healthy window to talk to
+	if (window.isDestroyed() || window.webContents.isDestroyed()) {
+		throw new Error('ipc.mp#connect: Cannot talk to window because it is closed or destroyed');
+	}
+
+	// Ask to create message channel inside the window
+	// and send over a UUID to correlate the response
+	const nonce = generateUuid();
+	window.webContents.send('vscode:createMessageChannel', nonce);
+
+	// Wait until the window has returned the `MessagePort`
+	// We need to filter by the `nonce` to ensure we listen
+	// to the right response.
+	const onMessageChannelResult = Event.fromNodeEventEmitter<{ nonce: string, port: MessagePortMain }>(ipcMain, 'vscode:createMessageChannelResult', (e: IpcMainEvent, nonce: string) => ({ nonce, port: e.ports[0] }));
+	const { port } = await Event.toPromise(Event.once(Event.filter(onMessageChannelResult, e => e.nonce === nonce)));
+
+	return port;
+}