Porting of listen_socket, telnet_server to linux

net/base/telnet_server_unittest.cc

Index: net/base/telnet_server_unittest.cc
===================================================================
--- net/base/telnet_server_unittest.cc	(revision 3911)
+++ net/base/telnet_server_unittest.cc	(working copy)
@@ -21,10 +21,6 @@
     ListenSocketTester::SetUp();
     // With TelnetServer, there's some control codes sent at connect time,
     // so we need to eat those to avoid affecting the subsequent tests.
-    // TODO(erikkay): Unfortunately, without the sleep, we don't seem to
-    // reliably get the 15 bytes without an EWOULDBLOCK.  It would be nice if
-    // there were a more reliable mechanism here.
-    Sleep(10);
     ASSERT_EQ(ClearTestSocket(), 15);
   }