- Expose tracing functionality via new cef_trace.h and cef_trace_event.h headers (issue #711).
- Add about:tracing UI support (issue #711).
- Avoid unnecessary string type conversions for values and process messages.
- Add support for a 'note' attribute in patch.cfg.
git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1271@866 5089003a-bbd8-11dd-ad1f-f1f9622dbc98