Adding raw tracing to trace framework.

base/debug/trace_event_impl.h

Index: base/debug/trace_event_impl.h
diff --git a/base/debug/trace_event_impl.h b/base/debug/trace_event_impl.h
index 58a44dabf0ef0c5665163bc27ab5436beb417c76..7ebc433f801113a456fddf4cb29bab3d7cf988c9 100644
--- a/base/debug/trace_event_impl.h
+++ b/base/debug/trace_event_impl.h
@@ -257,9 +257,20 @@ class BASE_EXPORT TraceLog {
   // If |copy| is set, |name|, |arg_name1| and |arg_name2| will be deep copied
   // into the event; see "Memory scoping note" and TRACE_EVENT_COPY_XXX above.
   void AddTraceEvent(char phase,
+                     const unsigned char* category_enabled,
+                     const char* name,
+                     unsigned long long id,
+                     int num_args,
+                     const char** arg_names,
+                     const unsigned char* arg_types,
+                     const unsigned long long* arg_values,
+                     unsigned char flags);
+  void AddTraceEvent(char phase,

[jar (doing other things), 2013/02/14 02:17:54]

nit: style guide suggests not using function overloading, but instead giving
different names to variants, such as was done on line 279.

[Note: Overload on line 283 vs 279 is permitted, as the two take the same
values, in just slightly different forms.]
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Function_Overl...

[dsinclair, 2013/02/14 15:38:47]

Done.

                     const unsigned char* category_enabled,
                     const char* name,
                     unsigned long long id,
+                    int thread_id,
+                    int64 timestamp,
                     int num_args,
                     const char** arg_names,
                     const unsigned char* arg_types,