The latest version of Apple's macOS (which will be released in the fall) introduces tabs for all apps. To me, it seems like a great idea if we could provide some kind of API interface for managing these.

For more details, scroll to "Tabs" on [this page](http://www.apple.com/macos/sierra-preview/).

atom/common/options_switches.cc
#include "atom/common/options_switches.h"
namespace atom {
namespace options {
const char kTitle[]          = "title";
const char kIcon[]           = "icon";
const char kFrame[]          = "frame";
const char kShow[]           = "show";
const char kCenter[]         = "center";
const char kX[]              = "x";
const char kY[]              = "y";
const char kWidth[]          = "width";
const char kHeight[]         = "height";
const char kMinWidth[]       = "minWidth";
const char kMinHeight[]      = "minHeight";
const char kMaxWidth[]       = "maxWidth";
const char kMaxHeight[]      = "maxHeight";
const char kResizable[]      = "resizable";
const char kMovable[]        = "movable";
const char kMinimizable[]    = "minimizable";
const char kMaximizable[]    = "maximizable";
const char kFullScreenable[] = "fullscreenable";