Use DCHECKs when observing only a single notification.

chrome/browser/jumplist_win.cc

Index: chrome/browser/jumplist_win.cc
diff --git a/chrome/browser/jumplist_win.cc b/chrome/browser/jumplist_win.cc
index e5db11b4449bfae211ff77b9e0776c7b03f84392..57dccaf49b5f304ffc0df24789d11c1a18013728 100644
--- a/chrome/browser/jumplist_win.cc
+++ b/chrome/browser/jumplist_win.cc
@@ -318,7 +318,7 @@ void JumpList::Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) {
   DCHECK(CalledOnValidThread());
-  DCHECK_EQ(type, chrome::NOTIFICATION_PROFILE_DESTROYED);
+  DCHECK_EQ(chrome::NOTIFICATION_PROFILE_DESTROYED, type);
   // Profile was destroyed, do clean-up.
   Terminate();
 }