Initial VS Code 1.19 source merge (#571)

* Initial 1.19 xcopy

* Fix yarn build

* Fix numerous build breaks

* Next batch of build break fixes

* More build break fixes

* Runtime breaks

* Additional post merge fixes

* Fix windows setup file

* Fix test failures.

* Update license header blocks to refer to source eula

src/vs/workbench/browser/actions/toggleTabsVisibility.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.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import { TPromise } from 'vs/base/common/winjs.base';
+import nls = require('vs/nls');
+import { Registry } from 'vs/platform/registry/common/platform';
+import { Action } from 'vs/base/common/actions';
+import { SyncActionDescriptor } from 'vs/platform/actions/common/actions';
+import { IWorkbenchActionRegistry, Extensions } from 'vs/workbench/common/actions';
+import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
+import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
+
+export class ToggleTabsVisibilityAction extends Action {
+
+	public static readonly ID = 'workbench.action.toggleTabsVisibility';
+	public static readonly LABEL = nls.localize('toggleTabs', "Toggle Tab Visibility");
+
+	private static readonly tabsVisibleKey = 'workbench.editor.showTabs';
+
+	constructor(
+		id: string,
+		label: string,
+		@IConfigurationService private configurationService: IConfigurationService
+	) {
+		super(id, label);
+	}
+
+	public run(): TPromise<any> {
+		const visibility = this.configurationService.getValue<string>(ToggleTabsVisibilityAction.tabsVisibleKey);
+		const newVisibilityValue = !visibility;
+
+		return this.configurationService.updateValue(ToggleTabsVisibilityAction.tabsVisibleKey, newVisibilityValue);
+	}
+}
+
+const registry = Registry.as<IWorkbenchActionRegistry>(Extensions.WorkbenchActions);
+registry.registerWorkbenchAction(new SyncActionDescriptor(ToggleTabsVisibilityAction, ToggleTabsVisibilityAction.ID, ToggleTabsVisibilityAction.LABEL, { primary: KeyMod.CtrlCmd | KeyMod.WinCtrl | KeyCode.KEY_W }), 'View: Toggle Tab Visibility', nls.localize('view', "View"));