Plumb connection attempts from (non-proxy) ConnectJobs to HttpNetworkTransaction.

net/http/http_stream_factory.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_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_H_
 
 #include <list>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "net/base/completion_callback.h"
 #include "net/base/load_states.h"
 #include "net/base/net_export.h"
 #include "net/base/request_priority.h"
 #include "net/http/http_server_properties.h"
+#include "net/socket/client_socket_handle.h"
 // This file can be included from net/http even though
 // it is in net/websockets because it doesn't
 // introduce any link dependency to net/websockets.
 #include "net/websockets/websocket_handshake_stream_base.h"
 
 class GURL;
 
 namespace base {
 class Value;
 }
@@ skipping 134 matching lines @@
   virtual LoadState GetLoadState() const = 0;
 
   // Returns true if TLS/NPN was negotiated for this stream.
   virtual bool was_npn_negotiated() const = 0;
 
   // Protocol negotiated with the server.
   virtual NextProto protocol_negotiated() const = 0;
 
   // Returns true if this stream is being fetched over SPDY.
   virtual bool using_spdy() const = 0;
+
+  // Returns socket-layer connection attempts made for this stream request.
+  virtual const ClientSocketHandle::ConnectionAttempts& connection_attempts()

[Ryan Hamilton, 2015/03/17 03:22:28]

If this struct is going to be used outside of the ClientSocketHandle class, then
it should probably be defined elsewhere.

[Deprecated (see juliatuttle), 2015/03/23 17:45:35]

Yeah, I agree, but I'm not sure where. I suppose I could just throw another
small .h in net/base.

[Ryan Hamilton, 2015/03/24 19:20:19]

My vote would go for net/socket/connection_attempts.h

+      const = 0;
 };
 
 // The HttpStreamFactory defines an interface for creating usable HttpStreams.
 class NET_EXPORT HttpStreamFactory {
  public:
   virtual ~HttpStreamFactory();
 
   void ProcessAlternateProtocol(
       const base::WeakPtr<HttpServerProperties>& http_server_properties,
       const std::vector<std::string>& alternate_protocol_values,
@@ skipping 53 matching lines @@
 
  private:
   static bool spdy_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_H_