Eliminate sending NOTIFICATION_TOP_SITES_* from TopSites

chrome/browser/history/top_sites.cc

 // Copyright (c) 2013 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/history/top_sites.h"
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/history/top_sites_impl.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 19 matching lines @@
 #endif
 };
 
 // static
 TopSites* TopSites::Create(Profile* profile, const base::FilePath& db_name) {
   TopSitesImpl* top_sites_impl = new TopSitesImpl(profile);
   top_sites_impl->Init(db_name);
   return top_sites_impl;
 }
 
+TopSites::TopSites() {
+}
+
+TopSites::~TopSites() {
+}
+
+void TopSites::AddObserver(TopSitesObserver* observer) {
+  observer_list_.AddObserver(observer);
+}
+
+void TopSites::RemoveObserver(TopSitesObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
+void TopSites::NotifyTopSitesLoaded() {
+  FOR_EACH_OBSERVER(TopSitesObserver, observer_list_, TopSitesLoaded(this));
+}
+
+void TopSites::NotifyTopSitesChanged() {
+  FOR_EACH_OBSERVER(TopSitesObserver, observer_list_, TopSitesChanged(this));
+}
+
 }  // namespace history