diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/third_party/libevent/make-event-config.sed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/third_party/libevent/make-event-config.sed	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+# Sed script to postprocess config.h into event-config.h.
+
+1i\
+/* event2/event-config.h\
+ *\
+ * This file was generated by autoconf when libevent was built, and post-\
+ * processed by Libevent so that its macros would have a uniform prefix.\
+ *\
+ * DO NOT EDIT THIS FILE.\
+ *\
+ * Do not rely on macros in this file existing in later versions.\
+ */\
+\
+#ifndef _EVENT2_EVENT_CONFIG_H_\
+#define _EVENT2_EVENT_CONFIG_H_\
+
+$a\
+\
+#endif /* event2/event-config.h */
+
+s/#define /#define _EVENT_/
+s/#undef /#undef _EVENT_/
+s/#ifndef /#ifndef _EVENT_/