Gather metrics classifying the cause of the TLS fallback.

net/http/http_stream_factory_impl_request.h

 // 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 NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_
 
 #include <set>
 #include "base/memory/scoped_ptr.h"
 #include "net/http/http_stream_factory_impl.h"
 #include "net/log/net_log.h"
 #include "net/socket/connection_attempts.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/spdy/spdy_session_key.h"
+#include "net/ssl/ssl_failure_state.h"
 #include "url/gurl.h"
 
 namespace net {
 
 class ClientSocketHandle;
 class HttpStream;
 class SpdySession;
 
 class HttpStreamFactoryImpl::Request : public HttpStreamRequest {
  public:
@@ skipping 49 matching lines @@
   // actually subclass HttpStreamRequest::Delegate.
 
   void OnStreamReady(Job* job,
                      const SSLConfig& used_ssl_config,
                      const ProxyInfo& used_proxy_info,
                      HttpStream* stream);
   void OnWebSocketHandshakeStreamReady(Job* job,
                                        const SSLConfig& used_ssl_config,
                                        const ProxyInfo& used_proxy_info,
                                        WebSocketHandshakeStreamBase* stream);
-  void OnStreamFailed(Job* job, int status, const SSLConfig& used_ssl_config);
+  void OnStreamFailed(Job* job,
+                      int status,
+                      const SSLConfig& used_ssl_config,
+                      SSLFailureState ssl_failure_state);
   void OnCertificateError(Job* job,
                           int status,
                           const SSLConfig& used_ssl_config,
                           const SSLInfo& ssl_info);
   void OnNeedsProxyAuth(Job* job,
                         const HttpResponseInfo& proxy_response,
                         const SSLConfig& used_ssl_config,
                         const ProxyInfo& used_proxy_info,
                         HttpAuthController* auth_controller);
   void OnNeedsClientAuth(Job* job,
@@ skipping 45 matching lines @@
   NextProto protocol_negotiated_;
   bool using_spdy_;
   ConnectionAttempts connection_attempts_;
 
   DISALLOW_COPY_AND_ASSIGN(Request);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_