src/vs/workbench/api/common/extHostTerminalService.ts/ExtHostTerminal/setDimensions
class ExtHostTerminal:	public setDimensions(cols: number, rows: number): boolean {
		if (cols === this._cols && rows === this._rows) {
			// Nothing changed
			return false;
		}
		if (cols === 0 || rows === 0) {
			return false;
		}
		this._cols = cols;
		this._rows = rows;
		return true;
	}