2nd attempt at adding streamListen/streamCancel to the service protocol.

runtime/bin/main.cc

 // Copyright (c) 2012, 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 <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
 #include "include/dart_api.h"
 #include "include/dart_debugger_api.h"
@@ skipping 816 matching lines @@
 }
 
 
 class DartScope {
  public:
   DartScope() { Dart_EnterScope(); }
   ~DartScope() { Dart_ExitScope(); }
 };
 
 
-static const char* ServiceRequestHandler(
-    const char* name,
+static const char* ServiceGetIOHandler(
+    const char* method,
     const char** param_keys,
     const char** param_values,
     intptr_t num_params,
     void* user_data) {
   DartScope scope;
   // TODO(ajohnsen): Store the library/function in isolate data or user_data.
   Dart_Handle dart_io_str = Dart_NewStringFromCString("dart:io");
   if (Dart_IsError(dart_io_str)) return ServiceRequestError(dart_io_str);
   Dart_Handle io_lib = Dart_LookupLibrary(dart_io_str);
   if (Dart_IsError(io_lib)) return ServiceRequestError(io_lib);
@@ skipping 101 matching lines @@
                        DartUtils::ReadFile,
                        DartUtils::WriteFile,
                        DartUtils::CloseFile,
                        DartUtils::EntropySource)) {
     fprintf(stderr, "%s", "VM initialization failed\n");
     fflush(stderr);
     exit(kErrorExitCode);
   }
 
   Dart_RegisterIsolateServiceRequestCallback(
-        "io", &ServiceRequestHandler, NULL);
+        "getIO", &ServiceGetIOHandler, NULL);
 
   // Call CreateIsolateAndSetup which creates an isolate and loads up
   // the specified application script.
   char* error = NULL;
   int exit_code = 0;
   char* isolate_name = BuildIsolateName(script_name, "main");
   Dart_Isolate isolate = CreateIsolateAndSetupHelper(script_name,
                                                      "main",
                                                      commandline_package_root,
                                                      &error,
@@ skipping 123 matching lines @@
   exit(Process::GlobalExitCode());
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   dart::bin::main(argc, argv);
   UNREACHABLE();
 }