Modified PolicyService to register observers by domain only, instead of domain and component.

chrome/browser/ui/webui/policy_ui.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/ui/webui/policy_ui.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 153 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 //
 // PolicyUIHandler
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 PolicyUIHandler::PolicyUIHandler()
     : ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {}
 
 PolicyUIHandler::~PolicyUIHandler() {
-  GetPolicyService()->RemoveObserver(
-      policy::POLICY_DOMAIN_CHROME, "", this);
+  GetPolicyService()->RemoveObserver(policy::POLICY_DOMAIN_CHROME, this);
 }
 
 void PolicyUIHandler::RegisterMessages() {
-  GetPolicyService()->AddObserver(
-      policy::POLICY_DOMAIN_CHROME, "", this);
+  GetPolicyService()->AddObserver(policy::POLICY_DOMAIN_CHROME, this);
   web_ui()->RegisterMessageCallback(
       "requestData",
       base::Bind(&PolicyUIHandler::HandleRequestData,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
       "fetchPolicy",
       base::Bind(&PolicyUIHandler::HandleFetchPolicy,
                  base::Unretained(this)));
 }
 
@@ skipping 183 matching lines @@
 PolicyUI::PolicyUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new PolicyUIHandler);
 
   // Set up the chrome://policy/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   ChromeURLDataManager::AddDataSource(profile, CreatePolicyUIHTMLSource());
 }
 
 PolicyUI::~PolicyUI() {
 }