Merge pull request #6686 from darkdh/swipe_prefs

Swipe back/forward should respect system preferences

atom/browser/api/atom_api_system_preferences.h

@@ -40,6 +40,10 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences> {
   void UnsubscribeLocalNotification(int request_id);
   v8::Local<v8::Value> GetUserDefault(const std::string& name,
                                       const std::string& type);
+  // On 10.7+, back and forward swipe gestures can be triggered using a scroll
+  // gesture, if enabled in System Preferences. This function returns true if
+  // the feature is supported and enabled, and false otherwise.
+  bool IsSwipeTrackingFromScrollEventsEnabled();
 #endif
   bool IsDarkMode();