[Mac] Do not post NSApplicationWillTerminateNotification via a task, do it immediately.

chrome/browser/lifetime/application_lifetime_mac.mm

Index: chrome/browser/lifetime/application_lifetime_mac.mm
diff --git a/chrome/browser/lifetime/application_lifetime_mac.mm b/chrome/browser/lifetime/application_lifetime_mac.mm
index 0e6b0ce00eac414d46d982af1fa029ed0f05b91f..e067f32666c0294555e1d86b7aef2410f358eb5c 100644
--- a/chrome/browser/lifetime/application_lifetime_mac.mm
+++ b/chrome/browser/lifetime/application_lifetime_mac.mm
@@ -8,37 +8,24 @@
 
 #include "chrome/browser/lifetime/application_lifetime.h"
 
-#include "base/bind.h"
-#include "base/message_loop.h"
+#include "base/logging.h"
 #include "chrome/browser/browser_shutdown.h"
 #import "chrome/browser/chrome_browser_application_mac.h"
 
 namespace browser {
 
-namespace {
-
-// A closure that is used to finalize application shutdown.
-void PerformTerminate() {
-  [[NSNotificationCenter defaultCenter]
-      postNotificationName:NSApplicationWillTerminateNotification
-                    object:NSApp];
-}
-
-}  // namespace
-
 // At this point, the user is trying to quit (or the system is forcing the
 // application to quit) and all browsers have been successfully closed. The
 // final step in shutdown is to post the NSApplicationWillTerminateNotification
-// to end the -[NSApplication run] event loop. That is performed via the
-// MessageLoop, since this can be called via the destruction path of the last
-// Browser object.
+// to end the -[NSApplication run] event loop.
 void HandleAppExitingForPlatform() {
   static bool kill_me_now = false;
   CHECK(!kill_me_now);
   kill_me_now = true;
 
-  MessageLoop::current()->PostNonNestableTask(FROM_HERE,
-      base::Bind(&PerformTerminate));
+  [[NSNotificationCenter defaultCenter]
+      postNotificationName:NSApplicationWillTerminateNotification
+                    object:NSApp];
 }
 
 }  // namespace browser