Refactored OpenGL embedder that works on Android, Mac or Linux.

runtime/embedders/openglui/android/android_log.h

Index: runtime/embedders/openglui/android/android_log.h
===================================================================
--- runtime/embedders/openglui/android/android_log.h	(revision 0)
+++ runtime/embedders/openglui/android/android_log.h	(revision 0)
@@ -0,0 +1,17 @@
+// 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 EMBEDDERS_OPENGLUI_ANDROID_ANDROID_LOG_H_
+#define EMBEDDERS_OPENGLUI_ANDROID_ANDROID_LOG_H_
+
+#include <android/log.h>
+
+#define LOGX(LOG_LEVEL, ...) do { \
+    __android_log_print(LOG_LEVEL, "DartExt", __VA_ARGS__); \
+  } while (0)
+#define LOGI(...) LOGX(ANDROID_LOG_INFO, __VA_ARGS__)
+#define LOGE(...) LOGX(ANDROID_LOG_ERROR, __VA_ARGS__)
+
+#endif  // EMBEDDERS_OPENGLUI_ANDROID_ANDROID_LOG_H_
+