Remove PrefObserver usage, batch 9.

chrome/browser/net/http_server_properties_manager.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/net/http_server_properties_manager.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
 #include "base/values.h"
@@ skipping 39 matching lines @@
     : pref_service_(pref_service),
       setting_prefs_(false) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(pref_service);
   ui_weak_ptr_factory_.reset(
       new base::WeakPtrFactory<HttpServerPropertiesManager>(this));
   ui_weak_ptr_ = ui_weak_ptr_factory_->GetWeakPtr();
   ui_cache_update_timer_.reset(
       new base::OneShotTimer<HttpServerPropertiesManager>);
   pref_change_registrar_.Init(pref_service_);
-  pref_change_registrar_.Add(prefs::kHttpServerProperties, this);
+  pref_change_registrar_.Add(
+      prefs::kHttpServerProperties,
+      base::Bind(&HttpServerPropertiesManager::OnHttpServerPropertiesChanged,
+                 base::Unretained(this)));
 }
 
 HttpServerPropertiesManager::~HttpServerPropertiesManager() {
 }
 
 void HttpServerPropertiesManager::InitializeOnIOThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   http_server_properties_impl_.reset(new net::HttpServerPropertiesImpl());
 
   io_prefs_update_timer_.reset(
@@ skipping 578 matching lines @@
   setting_prefs_ = false;
 
   // Note that |completion| will be fired after we have written everything to
   // the Preferences, but likely before these changes are serialized to disk.
   // This is not a problem though, as JSONPrefStore guarantees that this will
   // happen, pretty soon, and even in the case we shut down immediately.
   if (!completion.is_null())
     completion.Run();
 }
 
-void HttpServerPropertiesManager::OnPreferenceChanged(
-    PrefServiceBase* prefs,
-    const std::string& pref_name) {
+void HttpServerPropertiesManager::OnHttpServerPropertiesChanged() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(prefs == pref_service_);
-  if (pref_name == prefs::kHttpServerProperties) {
-    if (!setting_prefs_)
-      ScheduleUpdateCacheOnUI();
-  } else {
-    NOTREACHED();
-  }
+  if (!setting_prefs_)
+    ScheduleUpdateCacheOnUI();
 }
 
 }  // namespace chrome_browser_net