Have all trace points emit to ETW.

base/debug/trace_event_win.h

Index: base/debug/trace_event_win.h
diff --git a/base/debug/trace_event_win.h b/base/debug/trace_event_win.h
index 2a900bb4314f055b67a24bfea4bcdc766a569424..c74c3a721adb22924ecdc8c981f4e8be56482a7d 100644
--- a/base/debug/trace_event_win.h
+++ b/base/debug/trace_event_win.h
@@ -10,6 +10,7 @@
 
 #include "base/base_export.h"
 #include "base/debug/trace_event.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/win/event_trace_provider.h"
 
 // Fwd.
@@ -58,6 +59,19 @@ class BASE_EXPORT TraceEventETWProvider : public base::win::EtwTraceProvider {
     return Trace(name, -1, type, id, extra, -1);
   }
 
+  // Allows passing extra as a set of arguments that will be converted to
+  // a string.

[chrisha, 2013/09/05 20:21:30]

This is a complicated call. Worth documenting the arguments?

[fdoray, 2013/09/08 18:35:50]

Done.

+  static void TraceWithArgs(
+      const char* category_group,
+      const char* name,
+      char type,
+      const void* id,
+      int num_args,
+      const char** arg_names,
+      const unsigned char* arg_types,
+      const unsigned long long* arg_values,
+      scoped_ptr<ConvertableToTraceFormat> convertable_values[]);
+
   // Retrieves the singleton.
   // Note that this may return NULL post-AtExit processing.
   static TraceEventETWProvider* GetInstance();