Merge from vscode bead496a613e475819f89f08e9e882b841bc1fe8 (#14883)

* Merge from vscode bead496a613e475819f89f08e9e882b841bc1fe8

* Bump distro

* Upgrade GCC to 4.9 due to yarn install errors

* Update build image

* Fix bootstrap base url

* Bump distro

* Fix build errors

* Update source map file

* Disable checkbox for blocking migration issues (#15131)

* disable checkbox for blocking issues

* wip

* disable checkbox fixes

* fix strings

* Remove duplicate tsec command

* Default to off for tab color if settings not present

* re-skip failing tests

* Fix mocha error

* Bump sqlite version & fix notebooks search view

* Turn off esbuild warnings

* Update esbuild log level

* Fix overflowactionbar tests

* Fix ts-ignore in dropdown tests

* cleanup/fixes

* Fix hygiene

* Bundle in entire zone.js module

* Remove extra constructor param

* bump distro for web compile break

* bump distro for web compile break v2

* Undo log level change

* New distro

* Fix integration test scripts

* remove the "no yarn.lock changes" workflow

* fix scripts v2

* Update unit test scripts

* Ensure ads-kerberos2 updates in .vscodeignore

* Try fix unit tests

* Upload crash reports

* remove nogpu

* always upload crashes

* Use bash script

* Consolidate data/ext dir names

* Create in tmp directory

Co-authored-by: chlafreniere <hichise@gmail.com>
Co-authored-by: Christopher Suh <chsuh@microsoft.com>
Co-authored-by: chgagnon <chgagnon@microsoft.com>

extensions/simple-browser/src/dispose.ts

@@ -0,0 +1,42 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+
+export function disposeAll(disposables: vscode.Disposable[]) {
+	while (disposables.length) {
+		const item = disposables.pop();
+		if (item) {
+			item.dispose();
+		}
+	}
+}
+
+export abstract class Disposable {
+	private _isDisposed = false;
+
+	protected _disposables: vscode.Disposable[] = [];
+
+	public dispose(): any {
+		if (this._isDisposed) {
+			return;
+		}
+		this._isDisposed = true;
+		disposeAll(this._disposables);
+	}
+
+	protected _register<T extends vscode.Disposable>(value: T): T {
+		if (this._isDisposed) {
+			value.dispose();
+		} else {
+			this._disposables.push(value);
+		}
+		return value;
+	}
+
+	protected get isDisposed() {
+		return this._isDisposed;
+	}
+}