Revert "Changes to the process implementation."

runtime/bin/process.cc

Index: runtime/bin/process.cc
diff --git a/runtime/bin/process.cc b/runtime/bin/process.cc
index b4a80846b448dc96790122a75036163bb0320601..8e830e9a43ec6e40c101995a068dcdab48e79d73 100644
--- a/runtime/bin/process.cc
+++ b/runtime/bin/process.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2011, 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.
 
@@ -114,3 +114,11 @@ void FUNCTION_NAME(Process_Kill)(Dart_NativeArguments args) {
   Dart_SetReturnValue(args, Dart_NewBoolean(success));
   Dart_ExitScope();
 }
+
+
+void FUNCTION_NAME(Process_Exit)(Dart_NativeArguments args) {
+  Dart_EnterScope();
+  intptr_t pid = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 1));
+  Process::Exit(pid);
+  Dart_ExitScope();
+}