src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts/WebExtensionsScannerService/addExtensionFromGallery
class WebExtensionsScannerService:	async addExtensionFromGallery(galleryExtension: IGalleryExtension, metadata: Metadata, profileLocation: URI): Promise<IScannedExtension> {
		const webExtension = await this.toWebExtensionFromGallery(galleryExtension, metadata);
		return this.addWebExtension(webExtension, profileLocation);
	}