Collect all ConnectionAttempts from both sockets in TransportConnectJob.

net/socket/client_socket_pool_base.cc

Index: net/socket/client_socket_pool_base.cc
diff --git a/net/socket/client_socket_pool_base.cc b/net/socket/client_socket_pool_base.cc
index a1080c2967da8ee5b64203487e22d308cc7fcb1b..c210e69ae9a091e8ddcbab1a63437521b6c0b910 100644
--- a/net/socket/client_socket_pool_base.cc
+++ b/net/socket/client_socket_pool_base.cc
@@ -489,6 +489,12 @@ bool ClientSocketPoolBaseHelper::AssignIdleSocketToRequest(
         idle_socket.socket->WasEverUsed() ?
             ClientSocketHandle::REUSED_IDLE :
             ClientSocketHandle::UNUSED_IDLE;
+
+    // If this socket took multiple attempts to obtain, don't report those
+    // every time it's reused, just to the first user.
+    if (idle_socket.socket->WasEverUsed())
+      idle_socket.socket->ClearConnectionAttempts();
+
     HandOutSocket(
         scoped_ptr<StreamSocket>(idle_socket.socket),
         reuse_type,