[Fuchsia] Fix Platform.executable and Platform.resolvedExecutable

runtime/bin/platform_win.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 "platform/globals.h"
 #if defined(HOST_OS_WINDOWS)
 
 #include "bin/platform.h"
 
 #include <crtdbg.h>
@@ skipping 241 matching lines @@
     if (*tmp != '=') {
       result[current++] = StringUtilsWin::WideToUtf8(tmp);
     }
     tmp += (wcslen(tmp) + 1);
   }
   FreeEnvironmentStringsW(strings);
   return result;
 }
 
 
+const char* Platform::GetExecutableName() {
+  return executable_name_;
+}
+
+
 const char* Platform::ResolveExecutablePath() {
   // GetModuleFileNameW cannot directly provide information on the
   // required buffer size, so start out with a buffer large enough to
   // hold any Windows path.
   const int kTmpBufferSize = 32768;
   wchar_t* tmp_buffer =
       reinterpret_cast<wchar_t*>(Dart_ScopeAllocate(kTmpBufferSize));
   // Ensure no last error before calling GetModuleFileNameW.
   SetLastError(ERROR_SUCCESS);
   // Get the required length of the buffer.
@@ skipping 15 matching lines @@
   PlatformWin::RestoreConsole();
   // On Windows we use ExitProcess so that threads can't clobber the exit_code.
   // See: https://code.google.com/p/nativeclient/issues/detail?id=2870
   ::ExitProcess(exit_code);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_WINDOWS)