Collect all ConnectionAttempts from both sockets in TransportConnectJob.

net/socket/tcp_client_socket.cc

Index: net/socket/tcp_client_socket.cc
diff --git a/net/socket/tcp_client_socket.cc b/net/socket/tcp_client_socket.cc
index 4a72bdf1d0c93a386a0f50d5d447d62758687a43..a1c1fadb85e2b8ba0d01c600c760536f7e206eeb 100644
--- a/net/socket/tcp_client_socket.cc
+++ b/net/socket/tcp_client_socket.cc
@@ -124,6 +124,7 @@ int TCPClientSocket::DoConnect() {
 
     if (previously_disconnected_) {
       use_history_.Reset();
+      connection_attempts_.clear();
       previously_disconnected_ = false;
     }
 
@@ -159,6 +160,9 @@ int TCPClientSocket::DoConnectComplete(int result) {
     return OK;  // Done!
   }
 
+  connection_attempts_.push_back(
+      ConnectionAttempt(addresses_[current_address_index_], result));
+
   // Close whatever partially connected socket we currently have.
   DoDisconnect();
 
@@ -296,6 +300,20 @@ bool TCPClientSocket::SetNoDelay(bool no_delay) {
   return socket_->SetNoDelay(no_delay);
 }
 
+void TCPClientSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
+  *out = connection_attempts_;
+}
+
+void TCPClientSocket::ClearConnectionAttempts() {
+  connection_attempts_.clear();
+}
+
+void TCPClientSocket::AddConnectionAttempts(
+    const ConnectionAttempts& attempts) {
+  connection_attempts_.insert(connection_attempts_.begin(), attempts.begin(),
+                              attempts.end());
+}
+
 void TCPClientSocket::DidCompleteConnect(int result) {
   DCHECK_EQ(next_connect_state_, CONNECT_STATE_CONNECT_COMPLETE);
   DCHECK_NE(result, ERR_IO_PENDING);