src/vs/editor/contrib/hover/browser/contentHover.ts/ContentHoverWidget/_updateFont
class ContentHoverWidget:	private _updateFont(): void {
		const codeClasses: HTMLElement[] = Array.prototype.slice.call(this._hover.contentsDomNode.getElementsByClassName('code'));
		codeClasses.forEach(node => this._editor.applyFontInfo(node));
	}