Use label service (#149001)

* Use labelService #148410

* Fix unit tests for search using label service

src/vs/workbench/services/label/test/common/mockLabelService.ts

@@ -0,0 +1,41 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Emitter, Event } from 'vs/base/common/event';
+import { Disposable, IDisposable } from 'vs/base/common/lifecycle';
+import { basename, normalize } from 'vs/base/common/path';
+import { URI } from 'vs/base/common/uri';
+import { IFormatterChangeEvent, ILabelService, ResourceLabelFormatter } from 'vs/platform/label/common/label';
+import { IWorkspace, IWorkspaceIdentifier } from 'vs/platform/workspace/common/workspace';
+
+export class MockLabelService implements ILabelService {
+	_serviceBrand: undefined;
+
+	registerCachedFormatter(formatter: ResourceLabelFormatter): IDisposable {
+		throw new Error('Method not implemented.');
+	}
+	getUriLabel(resource: URI, options?: { relative?: boolean | undefined; noPrefix?: boolean | undefined }): string {
+		return normalize(resource.fsPath);
+	}
+	getUriBasenameLabel(resource: URI): string {
+		return basename(resource.fsPath);
+	}
+	getWorkspaceLabel(workspace: URI | IWorkspaceIdentifier | IWorkspace, options?: { verbose: boolean }): string {
+		return '';
+	}
+	getHostLabel(scheme: string, authority?: string): string {
+		return '';
+	}
+	public getHostTooltip(): string | undefined {
+		return '';
+	}
+	getSeparator(scheme: string, authority?: string): '/' | '\\' {
+		return '/';
+	}
+	registerFormatter(formatter: ResourceLabelFormatter): IDisposable {
+		return Disposable.None;
+	}
+	onDidChangeFormatters: Event<IFormatterChangeEvent> = new Emitter<IFormatterChangeEvent>().event;
+}