Migrate net/socket/socket.h, net/socket/stream_socket.h to base::Bind().

net/curvecp/test_client.h

Index: net/curvecp/test_client.h
diff --git a/net/curvecp/test_client.h b/net/curvecp/test_client.h
index 59a3d59db35fe087a5d3246e9f01a4060792f187..07ae3a6053708a8fa319bfc93daba8091c477c1b 100644
--- a/net/curvecp/test_client.h
+++ b/net/curvecp/test_client.h
@@ -35,7 +35,7 @@ class TestClient {
   // Returns true if successful in starting the client.
   bool Start(const HostPortPair& server,
              int bytes_to_send,
-             OldCompletionCallback* callback);
+             const CompletionCallback& callback);
 
   // Returns the number of errors this server encountered.
   int error_count() { return errors_; }
@@ -59,10 +59,7 @@ class TestClient {
   int bytes_to_send_;
   TestDataStream sent_stream_;
   TestDataStream received_stream_;
-  OldCompletionCallbackImpl<TestClient> connect_callback_;
-  OldCompletionCallbackImpl<TestClient> read_callback_;
-  OldCompletionCallbackImpl<TestClient> write_callback_;
-  OldCompletionCallback* finished_callback_;
+  CompletionCallback finished_callback_;
 };
 
 }  // namespace net