diff -r 000000000000 -r 6474c204b198 dom/system/gonk/VolumeManagerLog.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/system/gonk/VolumeManagerLog.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_system_volumemanagerlog_h__
+#define mozilla_system_volumemanagerlog_h__
+
+#define USE_DEBUG 0
+
+#if !defined(VOLUME_MANAGER_LOG_TAG)
+#define VOLUME_MANAGER_LOG_TAG  "VolumeManager"
+#endif
+
+#undef LOG
+#define LOG(args...)  __android_log_print(ANDROID_LOG_INFO,  VOLUME_MANAGER_LOG_TAG, ## args)
+#define ERR(args...)  __android_log_print(ANDROID_LOG_ERROR, VOLUME_MANAGER_LOG_TAG, ## args)
+
+#if USE_DEBUG
+#define DBG(args...)  __android_log_print(ANDROID_LOG_DEBUG, VOLUME_MANAGER_LOG_TAG, ## args)
+#else
+#define DBG(args...)
+#endif
+
+#endif  // mozilla_system_volumemanagerlog_h__