Re-land socket refactor with fixes for Windows.

runtime/bin/io_natives.cc

Index: runtime/bin/io_natives.cc
diff --git a/runtime/bin/io_natives.cc b/runtime/bin/io_natives.cc
index 7542320fd1d416535bbefda8d1a9d851ce3e35ad..32279340cf11656af6ff1f9aa044e9350576aaa2 100644
--- a/runtime/bin/io_natives.cc
+++ b/runtime/bin/io_natives.cc
@@ -122,26 +122,26 @@ namespace bin {
   V(SecurityContext_UseCertificateChainBytes, 3)                               \
   V(ServerSocket_Accept, 2)                                                    \
   V(ServerSocket_CreateBindListen, 6)                                          \
-  V(Socket_CreateConnect, 3)                                                   \
+  V(SocketBase_IsBindError, 2)                                                 \
+  V(Socket_Available, 1)                                                       \
   V(Socket_CreateBindConnect, 4)                                               \
   V(Socket_CreateBindDatagram, 4)                                              \
-  V(Socket_IsBindError, 2)                                                     \
-  V(Socket_Available, 1)                                                       \
-  V(Socket_Read, 2)                                                            \
-  V(Socket_RecvFrom, 1)                                                        \
-  V(Socket_WriteList, 4)                                                       \
-  V(Socket_SendTo, 6)                                                          \
+  V(Socket_CreateConnect, 3)                                                   \
   V(Socket_GetPort, 1)                                                         \
   V(Socket_GetRemotePeer, 1)                                                   \
   V(Socket_GetError, 1)                                                        \
+  V(Socket_GetOption, 3)                                                       \
+  V(Socket_GetSocketId, 1)                                                     \
   V(Socket_GetStdioHandle, 2)                                                  \
   V(Socket_GetType, 1)                                                         \
-  V(Socket_GetOption, 3)                                                       \
-  V(Socket_SetOption, 4)                                                       \
   V(Socket_JoinMulticast, 4)                                                   \
   V(Socket_LeaveMulticast, 4)                                                  \
-  V(Socket_GetSocketId, 1)                                                     \
+  V(Socket_Read, 2)                                                            \
+  V(Socket_RecvFrom, 1)                                                        \
+  V(Socket_SendTo, 6)                                                          \
+  V(Socket_SetOption, 4)                                                       \
   V(Socket_SetSocketId, 2)                                                     \
+  V(Socket_WriteList, 4)                                                       \
   V(Stdin_ReadByte, 0)                                                         \
   V(Stdin_GetEchoMode, 0)                                                      \
   V(Stdin_SetEchoMode, 1)                                                      \