Fuchsia: Build standalone VM. Make it run "Hello, World!".

runtime/bin/extensions_fuchsia.cc

Index: runtime/bin/extensions_fuchsia.cc
diff --git a/runtime/bin/extensions_android.cc b/runtime/bin/extensions_fuchsia.cc
similarity index 87%
copy from runtime/bin/extensions_android.cc
copy to runtime/bin/extensions_fuchsia.cc
index c34902c680fd52556f930273c1d0db9d4aa03f47..d4746725cceb383cc6477d18ddab79fded83dd2e 100644
--- a/runtime/bin/extensions_android.cc
+++ b/runtime/bin/extensions_fuchsia.cc
@@ -1,9 +1,9 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2016, 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(TARGET_OS_ANDROID)
+#if defined(TARGET_OS_FUCHSIA)
 
 #include "bin/extensions.h"
 #include <dlfcn.h>  // NOLINT
@@ -35,4 +35,4 @@ Dart_Handle Extensions::GetError() {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // defined(TARGET_OS_ANDROID)
+#endif  // defined(TARGET_OS_FUCHSIA)