Revert of "Remove SSLClientAuthHandler's RDH dependency." (https://codereview.chromium.org/59687300…

chrome/browser/ssl/ssl_client_auth_observer.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/ssl/ssl_client_auth_observer.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "net/cert/x509_certificate.h"
 #include "net/ssl/ssl_cert_request_info.h"
 
 using content::BrowserThread;
 
 typedef std::pair<net::SSLCertRequestInfo*, net::X509Certificate*> CertDetails;
 
 SSLClientAuthObserver::SSLClientAuthObserver(
-    const content::BrowserContext* browser_context,
+    const net::HttpNetworkSession* network_session,
     const scoped_refptr<net::SSLCertRequestInfo>& cert_request_info,
     const base::Callback<void(net::X509Certificate*)>& callback)
-    : browser_context_(browser_context),
+    : network_session_(network_session),
       cert_request_info_(cert_request_info),
       callback_(callback) {
 }
 
 SSLClientAuthObserver::~SSLClientAuthObserver() {
 }
 
 void SSLClientAuthObserver::CertificateSelected(
     net::X509Certificate* certificate) {
   if (callback_.is_null())
     return;
 
   // Stop listening right away so we don't get our own notification.
   StopObserving();
 
   CertDetails details;
   details.first = cert_request_info_.get();
   details.second = certificate;
   content::NotificationService* service =
       content::NotificationService::current();
   service->Notify(chrome::NOTIFICATION_SSL_CLIENT_AUTH_CERT_SELECTED,
-                  content::Source<content::BrowserContext>(browser_context_),
+                  content::Source<net::HttpNetworkSession>(network_session_),
                   content::Details<CertDetails>(&details));
 
   callback_.Run(certificate);
   callback_.Reset();
 }
 
 void SSLClientAuthObserver::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
@@ skipping 11 matching lines @@
   StopObserving();
   callback_.Run(cert_details->second);
   callback_.Reset();
   OnCertSelectedByNotification();
 }
 
 void SSLClientAuthObserver::StartObserving() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   notification_registrar_.Add(
       this, chrome::NOTIFICATION_SSL_CLIENT_AUTH_CERT_SELECTED,
-      content::Source<content::BrowserContext>(browser_context_));
+      content::Source<net::HttpNetworkSession>(network_session_));
 }
 
 void SSLClientAuthObserver::StopObserving() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   notification_registrar_.RemoveAll();
 }