The tryToTerminateApp is not really needed

atom/browser/mac/atom_application.mm

@@ -31,8 +31,11 @@ inline void dispatch_sync_main(dispatch_block_t block) {
 - (void)terminate:(id)sender {
   if (shouldShutdown_ && !shouldShutdown_.Run())
     return;  // User will call Quit later.
-  AtomApplicationDelegate* atomDelegate = (AtomApplicationDelegate*) [NSApp delegate];
-  [atomDelegate tryToTerminateApp:self];
+
+  // We simply try to close the browser, which in turn will try to close the
+  // windows. Termination can proceed if all windows are closed or window close
+  // can be cancelled which will abort termination.
+  atom::Browser::Get()->Quit();
 }
 
 - (void)setShutdownHandler:(base::Callback<bool()>)handler {

atom/browser/mac/atom_application_delegate.h

@@ -11,8 +11,6 @@
   base::scoped_nsobject<AtomMenuController> menu_controller_;
 }
 
-- (void)tryToTerminateApp:(NSApplication*)app;
-
 // Sets the menu that will be returned in "applicationDockMenu:".
 - (void)setApplicationDockMenu:(atom::AtomMenuModel*)model;
 

atom/browser/mac/atom_application_delegate.mm

@@ -87,13 +87,6 @@ static base::mac::ScopedObjCClassSwizzler* g_swizzle_imk_input_session;
   return atom::Browser::Get()->OpenFile(filename_str) ? YES : NO;
 }
 
-// We simply try to close the browser, which in turn will try to close the windows.
-// Termination can proceed if all windows are closed or window close can be cancelled
-// which will abort termination.
-- (void)tryToTerminateApp:(NSApplication*)app {
-  atom::Browser::Get()->Quit();
-}
-
 - (BOOL)applicationShouldHandleReopen:(NSApplication*)theApplication
                     hasVisibleWindows:(BOOL)flag {
   atom::Browser* browser = atom::Browser::Get();