[dart:io][windows] Make unicode characters display correctly.

runtime/bin/run_vm_tests.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 <stdio.h>
 
 #include "bin/dartutils.h"
 #include "bin/file.h"
 #include "bin/platform.h"
 #include "platform/assert.h"
@@ skipping 69 matching lines @@
   OS::PrintErr("run_vm_tests [vm-flags ...] <test name>\n");
   OS::PrintErr("run_vm_tests [vm-flags ...] <benchmark name>\n");
 }
 
 
 static int Main(int argc, const char** argv) {
   // Flags being passed to the Dart VM.
   int dart_argc = 0;
   const char** dart_argv = NULL;
 
+  // Perform platform specific initialization.
+  if (!dart::bin::Platform::Initialize()) {
+    OS::PrintErr("Initialization failed\n");
+  }
+
   if (argc < 2) {
     // Bad parameter count.
     PrintUsage();
     return 1;
   } else if (argc == 2) {
     if (strcmp(argv[1], "--list") == 0) {
       run_filter = kList;
       // List all tests and benchmarks and exit without initializing the VM.
       TestCaseBase::RunAll();
       Benchmark::RunAll(argv[0]);
@@ skipping 41 matching lines @@
   }
   return 0;
 }
 
 }  // namespace dart
 
 
 int main(int argc, const char** argv) {
   dart::bin::Platform::Exit(dart::Main(argc, argv));
 }