Collect all ConnectionAttempts from both sockets in TransportConnectJob.

net/socket/stream_socket.h

Index: net/socket/stream_socket.h
diff --git a/net/socket/stream_socket.h b/net/socket/stream_socket.h
index 30a199e2dc3c9f24e3ec07ac583209b38ef1c9e4..5669ea3e9a0106f56d21ad1316a119bb573c18ac 100644
--- a/net/socket/stream_socket.h
+++ b/net/socket/stream_socket.h
@@ -6,6 +6,7 @@
 #define NET_SOCKET_STREAM_SOCKET_H_
 
 #include "net/log/net_log.h"
+#include "net/socket/connection_attempts.h"
 #include "net/socket/next_proto.h"
 #include "net/socket/socket.h"
 
@@ -95,6 +96,16 @@ class NET_EXPORT_PRIVATE StreamSocket : public Socket {
   // SSL was not used by this socket.
   virtual bool GetSSLInfo(SSLInfo* ssl_info) = 0;
 
+  // Overwrites |out| with the connection attempts made in the process of
+  // connecting this socket.
+  virtual void GetConnectionAttempts(ConnectionAttempts* out) const = 0;
+
+  // Clears the socket's list of connection attempts.
+  virtual void ClearConnectionAttempts() = 0;
+
+  // Adds |attempts| to the socket's list of connection attempts.
+  virtual void AddConnectionAttempts(const ConnectionAttempts& attempts) = 0;
+
  protected:
   // The following class is only used to gather statistics about the history of
   // a socket.  It is only instantiated and used in basic sockets, such as