Remove knowledge about SSLClientAuthHandler from chrome. Instead a callback is given to the embed...

chrome/browser/ssl/ssl_client_auth_observer.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
-#ifndef CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
-#define CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
+#ifndef CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
+#define CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
 #pragma once
 
-#include "base/basictypes.h"
+#include "base/callback.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop_helpers.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
-#include "net/base/ssl_cert_request_info.h"
 
 namespace net {
 class HttpNetworkSession;
-class URLRequest;
+class SSLCertRequestInfo;
 class X509Certificate;
-}  // namespace net
+}
 
-// This class handles the approval and selection of a certificate for SSL client
-// authentication by the user.
-// It is self-owned and deletes itself when the UI reports the user selection or
-// when the net::URLRequest is cancelled.
-class CONTENT_EXPORT SSLClientAuthHandler
-    : public base::RefCountedThreadSafe<
-          SSLClientAuthHandler, content::BrowserThread::DeleteOnIOThread> {
+class SSLClientAuthObserver : public content::NotificationObserver {
  public:
-  SSLClientAuthHandler(net::URLRequest* request,
-                       net::SSLCertRequestInfo* cert_request_info);
-
-  // Selects a certificate and resumes the URL request with that certificate.
-  // Should only be called on the IO thread.
-  void SelectCertificate();
-
-  // Invoked when the request associated with this handler is cancelled.
-  // Should only be called on the IO thread.
-  void OnRequestCancelled();
-
-  // Calls DoCertificateSelected on the I/O thread.
-  // Called on the UI thread after the user has made a selection (which may
-  // be long after DoSelectCertificate returns, if the UI is modeless/async.)
-  void CertificateSelected(net::X509Certificate* cert);
-
-  // Like CertificateSelected, but does not send SSL_CLIENT_AUTH_CERT_SELECTED
-  // notification.  Used to avoid notification re-spamming when other
-  // certificate selectors act on a notification matching the same host.
-  virtual void CertificateSelectedNoNotify(net::X509Certificate* cert);
-
-  // Returns the SSLCertRequestInfo for this handler.
-  net::SSLCertRequestInfo* cert_request_info() { return cert_request_info_; }
-
-  // Returns the session the URL request is associated with.
-  const net::HttpNetworkSession* http_network_session() const {
-    return http_network_session_;
-  }
-
- protected:
-  virtual ~SSLClientAuthHandler();
-
- private:
-  friend class base::RefCountedThreadSafe<
-      SSLClientAuthHandler, content::BrowserThread::DeleteOnIOThread>;
-  friend class content::BrowserThread;
-  friend class base::DeleteHelper<SSLClientAuthHandler>;
-
-  // Notifies that the user has selected a cert.
-  // Called on the IO thread.
-  void DoCertificateSelected(net::X509Certificate* cert);
-
-  // Selects a client certificate on the UI thread.
-  void DoSelectCertificate(int render_process_host_id,
-                           int render_view_host_id);
-
-  // The net::URLRequest that triggered this client auth.
-  net::URLRequest* request_;
-
-  // The HttpNetworkSession |request_| is associated with.
-  const net::HttpNetworkSession* http_network_session_;
-
-  // The certs to choose from.
-  scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
-
-  DISALLOW_COPY_AND_ASSIGN(SSLClientAuthHandler);
-};
-
-class CONTENT_EXPORT SSLClientAuthObserver
-    : public content::NotificationObserver {
- public:
-  SSLClientAuthObserver(net::SSLCertRequestInfo* cert_request_info,
-                        SSLClientAuthHandler* handler);
+  SSLClientAuthObserver(
+      const net::HttpNetworkSession* network_session,
+      net::SSLCertRequestInfo* cert_request_info,
+      const base::Callback<void(net::X509Certificate*)>& callback);
   virtual ~SSLClientAuthObserver();
 
   // UI should implement this to close the dialog.
   virtual void OnCertSelectedByNotification() = 0;
 
-  // content::NotificationObserver implementation:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+  // Send content the certificate. Can also call with NULL if the user
+  // cancelled. Derived classes must use this instead of caching the callback
+  // and calling it directly.
+  void CertificateSelected(net::X509Certificate* cert);
 
   // Begins observing notifications from other SSLClientAuthHandler instances.
   // If another instance chooses a cert for a matching SSLCertRequestInfo, we
   // will also use the same cert and OnCertSelectedByNotification will be called
   // so that the cert selection UI can be closed.
   void StartObserving();
 
   // Stops observing notifications.  We will no longer act on client auth
   // notifications.
   void StopObserving();
 
+  net::SSLCertRequestInfo* cert_request_info() const {
+    return cert_request_info_;
+  }
+
  private:
+  // content::NotificationObserver implementation:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  const net::HttpNetworkSession* network_session_;
   scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
-
-  scoped_refptr<SSLClientAuthHandler> handler_;
-
+  base::Callback<void(net::X509Certificate*)> callback_;
   content::NotificationRegistrar notification_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLClientAuthObserver);
 };
 
-#endif  // CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
+#endif  // CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_