src/vs/base/browser/ui/grid/gridview.ts/LeafNode/_layout
class LeafNode:	private _layout(width: number, height: number, top: number, left: number): void {
		if (this.cachedWidth === width && this.cachedHeight === height && this.cachedTop === top && this.cachedLeft === left) {
			return;
		}

		this.cachedWidth = width;
		this.cachedHeight = height;
		this.cachedTop = top;
		this.cachedLeft = left;
		this.view.layout(width, height, top, left);
	}