Move PROFILE_DESTROYED notification to ProfileDestroyer and observe it in ExtensionProcessManager.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 7a5199b570866ce71fbd6ab0f9d35ce0783ed4e2..f36bc65dfec6b96b2501b25e8e0a5493566185a4 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -461,10 +461,8 @@ void ProfileImpl::set_last_selected_directory(const FilePath& path) {
 }
 
 ProfileImpl::~ProfileImpl() {
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_PROFILE_DESTROYED,
-      content::Source<Profile>(this),
-      content::NotificationService::NoDetails());
+  MaybeSendDestroyedNotification();
+
   bool prefs_loaded = prefs_->GetInitializationStatus() !=
       PrefService::INITIALIZATION_STATUS_WAITING;