Revert "Added synchronous socket implementation to dart:io."

runtime/bin/io_natives.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/io_natives.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "bin/builtin.h"
@@ skipping 133 matching lines @@
   V(Socket_WriteList, 4)                                                       \
   V(Stdin_ReadByte, 0)                                                         \
   V(Stdin_GetEchoMode, 0)                                                      \
   V(Stdin_SetEchoMode, 1)                                                      \
   V(Stdin_GetLineMode, 0)                                                      \
   V(Stdin_SetLineMode, 1)                                                      \
   V(Stdin_AnsiSupported, 0)                                                    \
   V(Stdout_GetTerminalSize, 1)                                                 \
   V(Stdout_AnsiSupported, 1)                                                   \
   V(StringToSystemEncoding, 1)                                                 \
-  V(SynchronousSocket_Available, 1)                                            \
-  V(SynchronousSocket_CloseSync, 1)                                            \
-  V(SynchronousSocket_CreateConnectSync, 3)                                    \
-  V(SynchronousSocket_GetPort, 1)                                              \
-  V(SynchronousSocket_GetRemotePeer, 1)                                        \
-  V(SynchronousSocket_LookupRequest, 2)                                        \
-  V(SynchronousSocket_ShutdownRead, 1)                                         \
-  V(SynchronousSocket_ShutdownWrite, 1)                                        \
-  V(SynchronousSocket_Read, 2)                                                 \
-  V(SynchronousSocket_ReadList, 4)                                             \
-  V(SynchronousSocket_WriteList, 4)                                            \
   V(SystemEncodingToString, 1)                                                 \
   V(X509_Subject, 1)                                                           \
   V(X509_Issuer, 1)                                                            \
   V(X509_StartValidity, 1)                                                     \
   V(X509_EndValidity, 1)
 
 IO_NATIVE_LIST(DECLARE_FUNCTION);
 
 static struct NativeEntries {
   const char* name_;
@@ skipping 29 matching lines @@
     struct NativeEntries* entry = &(IOEntries[i]);
     if (reinterpret_cast<Dart_NativeFunction>(entry->function_) == nf) {
       return reinterpret_cast<const uint8_t*>(entry->name_);
     }
   }
   return NULL;
 }
 
 }  // namespace bin
 }  // namespace dart