Simplify infobar expiry.

components/infobars/core/infobar.h

Index: components/infobars/core/infobar.h
diff --git a/components/infobars/core/infobar.h b/components/infobars/core/infobar.h
index ebced9f5e2e44a4893b59bafe3b73f41e5097b61..28a15434d4b470a9c0f786be274b5f2a8a5479cb 100644
--- a/components/infobars/core/infobar.h
+++ b/components/infobars/core/infobar.h
@@ -50,9 +50,9 @@ class InfoBar : public gfx::AnimationDelegate {
   InfoBarDelegate* delegate() const { return delegate_.get(); }
   void set_container(InfoBarContainer* container) { container_ = container; }
 
-  // Sets |owner_|.  This also calls StoreActiveEntryUniqueID() on |delegate_|.
-  // This must only be called once as there's no way to extract an infobar from
-  // its owner without deleting it, for reparenting in another tab.
+  // Sets |owner_|.  This must only be called once as there's no way to extract
+  // an infobar from its owner without deleting it, for reparenting in another
+  // tab.
   void SetOwner(InfoBarManager* owner);
 
   // Makes the infobar visible.  If |animate| is true, the infobar is then