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..32081f273307ebea8206f9e134a9b77dadcd4e8d 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"
 
@@ -17,7 +18,7 @@ class SSLInfo;
 
 class NET_EXPORT_PRIVATE StreamSocket : public Socket {
  public:
-  ~StreamSocket() override {}
+  ~StreamSocket() override;
 
   // Called to establish a connection.  Returns OK if the connection could be
   // established synchronously.  Otherwise, ERR_IO_PENDING is returned and the
@@ -95,6 +96,10 @@ class NET_EXPORT_PRIVATE StreamSocket : public Socket {
   // SSL was not used by this socket.
   virtual bool GetSSLInfo(SSLInfo* ssl_info) = 0;
 
+  virtual void GetConnectionAttempts(ConnectionAttempts* out) const;
+  virtual void ClearConnectionAttempts();
+  virtual void AddConnectionAttempts(const ConnectionAttempts& attempts);
+
  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