Refactored Android samples / embedder.

samples/android_sample/jni/android_extension.h

Index: samples/android_sample/jni/android_extension.h
diff --git a/samples/android_sample/jni/android_extension.h b/samples/android_sample/jni/android_extension.h
index f931edc3769d72d2c77e4448a80f217906f7d067..2c24fe77c9b0f1859b3f6f284372e608df320e8f 100644
--- a/samples/android_sample/jni/android_extension.h
+++ b/samples/android_sample/jni/android_extension.h
@@ -1,8 +1,15 @@
+// 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.
+
 #ifndef ANDROID_EXTENSION_H
 #define ANDROID_EXTENSION_H
 
-extern int32_t PlayBackground(const char* path);
-extern void StopBackground();
+#include "include/dart_api.h"
 
-#endif
+Dart_NativeFunction ResolveName(Dart_Handle name, int argc);
 
+void PlayBackground(const char* path);
+void StopBackground();
+
+#endif