src/vs/workbench/browser/parts/views/viewPaneContainer.ts/ViewPaneContainer/layout
class ViewPaneContainer:	layout(dimension: Dimension): void {
		if (this.paneview) {
			if (this.paneview.orientation !== this.orientation) {
				this.paneview.flipOrientation(dimension.height, dimension.width);
			}

			this.paneview.layout(dimension.height, dimension.width);
		}

		this.dimension = dimension;
		if (this.didLayout) {
			this.saveViewSizes();
		} else {
			this.didLayout = true;
			this.restoreViewSizes();
		}
	}