From 770a3509cfcd62c958dc2b70bd497585f55b565c Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevinsawicki@gmail.com>
Date: Thu, 29 Sep 2016 10:36:38 -0700
Subject: [PATCH] Add forward declaration of
 NSWindow.allowsAutomaticWindowTabbing

---
 atom/browser/mac/atom_application_delegate.mm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/atom/browser/mac/atom_application_delegate.mm b/atom/browser/mac/atom_application_delegate.mm
index 74f45e2..9e245f9 100644
--- a/atom/browser/mac/atom_application_delegate.mm
+++ b/atom/browser/mac/atom_application_delegate.mm
@@ -10,6 +10,10 @@
 #include "base/strings/sys_string_conversions.h"
 #include "base/values.h"
 
+@interface NSWindow (SierraSDK)
+@property(class) BOOL allowsAutomaticWindowTabbing;
+@end
+
 @implementation AtomApplicationDelegate
 
 - (void)setApplicationDockMenu:(atom::AtomMenuModel*)model {
@@ -22,9 +26,8 @@
   [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"NSFullScreenMenuItemEverywhere"];
 
   // Don't add the "Show Tab Bar" menu item.
-  if ([NSWindow respondsToSelector:@selector(allowsAutomaticWindowTabbing)]) {
+  if ([NSWindow respondsToSelector:@selector(allowsAutomaticWindowTabbing)])
     NSWindow.allowsAutomaticWindowTabbing = NO;
-  }
 
   atom::Browser::Get()->WillFinishLaunching();
 }
-- 
2.7.4