Fast-forward 3.15.12 to 3.16.0.

git-svn-id: http://v8.googlecode.com/svn/trunk@13265 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/ChangeLog b/ChangeLog
index f182f17..2233608 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-2012-12-21: Version 3.15.12
+2012-12-21: Version 3.16.0
 
         V8_Fatal now prints C++ stack trace in debug mode.