Removal of Profile from content part 6.

chrome/browser/ui/webui/ntp/ntp_login_handler.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 "chrome/browser/ui/webui/ntp/ntp_login_handler.h"
 
 #include <string>
 
 #include "base/values.h"
 #include "chrome/browser/prefs/pref_notifier.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/sync_setup_flow.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
+#include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/notification_details.h"
 
 NTPLoginHandler::NTPLoginHandler() {
 }
 
 NTPLoginHandler::~NTPLoginHandler() {
 }
 
 WebUIMessageHandler* NTPLoginHandler::Attach(WebUI* web_ui) {
-  PrefService* pref_service = web_ui->GetProfile()->GetPrefs();
+  Profile* profile =
+      Profile::FromBrowserContext(web_ui->tab_contents()->browser_context());
+  PrefService* pref_service = profile->GetPrefs();
   username_pref_.Init(prefs::kGoogleServicesUsername, pref_service, this);
 
   return WebUIMessageHandler::Attach(web_ui);
 }
 
 void NTPLoginHandler::RegisterMessages() {
   web_ui_->RegisterMessageCallback("initializeLogin",
       NewCallback(this, &NTPLoginHandler::HandleInitializeLogin));
 }
 
 void NTPLoginHandler::Observe(int type,
                               const NotificationSource& source,
                               const NotificationDetails& details) {
   DCHECK(type == chrome::NOTIFICATION_PREF_CHANGED);
   std::string* name = Details<std::string>(details).ptr();
   if (prefs::kGoogleServicesUsername == *name)
     UpdateLogin();
 }
 
 void NTPLoginHandler::HandleInitializeLogin(const ListValue* args) {
   UpdateLogin();
 }
 
 void NTPLoginHandler::UpdateLogin() {
-  std::string username = web_ui_->GetProfile()->GetPrefs()->GetString(
+  Profile* profile =
+      Profile::FromBrowserContext(web_ui_->tab_contents()->browser_context());
+  std::string username = profile->GetPrefs()->GetString(
       prefs::kGoogleServicesUsername);
   StringValue string_value(username);
   web_ui_->CallJavascriptFunction("updateLogin", string_value);
 }