Send notifications on the IO thread when changes are made to the special storage policy. Listen f...

webkit/quota/special_storage_policy.cc

 // Copyright (c) 2011 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 "webkit/quota/special_storage_policy.h"
 
 namespace quota {
 
+SpecialStoragePolicy::Observer::~Observer() {}
+
 SpecialStoragePolicy::SpecialStoragePolicy() {}
 
 SpecialStoragePolicy::~SpecialStoragePolicy() {}
 
+void SpecialStoragePolicy::AddObserver(Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void SpecialStoragePolicy::RemoveObserver(Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void SpecialStoragePolicy::NotifyObservers() {
+  scoped_refptr<SpecialStoragePolicy> protect(this);
+  FOR_EACH_OBSERVER(Observer, observers_, OnSpecialStoragePolicyChanged());
+}
+
 }  // namespace quota