Shutdown Service Workers before the profile is destroyed

chrome/browser/profiles/profile.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile.h"
 
 #include <string>
 
 #include "base/prefs/pref_service.h"
 #include "build/build_config.h"
@@ skipping 234 matching lines @@
 
   // No ProfileSyncService created yet - we don't want to create one, so just
   // infer the accessible state by looking at prefs/command line flags.
   sync_driver::SyncPrefs prefs(GetPrefs());
   return ProfileSyncService::IsSyncEnabled() && !prefs.IsManaged();
 }
 
 void Profile::MaybeSendDestroyedNotification() {
   if (!sent_destroyed_notification_) {
     sent_destroyed_notification_ = true;
+
+    NotifyWillBeDestroyed(this);
     content::NotificationService::current()->Notify(
         chrome::NOTIFICATION_PROFILE_DESTROYED,
         content::Source<Profile>(this),
         content::NotificationService::NoDetails());
   }
 }
 
 bool ProfileCompare::operator()(Profile* a, Profile* b) const {
   DCHECK(a && b);
   if (a->IsSameProfile(b))
     return false;
   return a->GetOriginalProfile() < b->GetOriginalProfile();
 }