Gather metrics classifying the cause of the TLS fallback.

net/http/http_stream_factory_impl_job.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 "net/http/http_stream_factory_impl_job.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 22 matching lines @@
 #include "net/socket/client_socket_handle.h"
 #include "net/socket/client_socket_pool.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/socket/socks_client_socket_pool.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/socket/ssl_client_socket_pool.h"
 #include "net/spdy/spdy_http_stream.h"
 #include "net/spdy/spdy_session.h"
 #include "net/spdy/spdy_session_pool.h"
 #include "net/ssl/ssl_cert_request_info.h"
+#include "net/ssl/ssl_failure_state.h"
 
 namespace net {
 
 // Returns parameters associated with the start of a HTTP stream job.
 base::Value* NetLogHttpStreamJobCallback(
     const GURL* original_url,
     const GURL* url,
     const AlternativeService* alternative_service,
     RequestPriority priority,
     NetLogCaptureMode /* capture_mode */) {
@@ skipping 304 matching lines @@
         this, stream_.Pass(), spdy_session, spdy_session_direct_);
   }
   // |this| may be deleted after this call.
 }
 
 void HttpStreamFactoryImpl::Job::OnStreamFailedCallback(int result) {
   DCHECK(!IsPreconnecting());
 
   MaybeCopyConnectionAttemptsFromClientSocketHandleToRequest();
 
-  if (IsOrphaned())
+  if (IsOrphaned()) {
     stream_factory_->OnOrphanedJobComplete(this);
-  else
-    request_->OnStreamFailed(this, result, server_ssl_config_);
+  } else {
+    SSLFailureState ssl_failure_state =
+        connection_ ? connection_->ssl_failure_state() : kSSLFailureNone;
+    request_->OnStreamFailed(this, result, server_ssl_config_,
+                             ssl_failure_state);
+  }
   // |this| may be deleted after this call.
 }
 
 void HttpStreamFactoryImpl::Job::OnCertificateErrorCallback(
     int result, const SSLInfo& ssl_info) {
   DCHECK(!IsPreconnecting());
 
   MaybeCopyConnectionAttemptsFromClientSocketHandleToRequest();
 
   if (IsOrphaned())
@@ skipping 1147 matching lines @@
 
 void HttpStreamFactoryImpl::Job::
     MaybeCopyConnectionAttemptsFromClientSocketHandleToRequest() {
   if (IsOrphaned() || !connection_)
     return;
 
   request_->AddConnectionAttempts(connection_->connection_attempts());
 }
 
 }  // namespace net