Move base/debug/trace_event* to base/trace_event/ [part 1]

base/trace_event/trace_event.h

Index: base/trace_event/trace_event.h
diff --git a/base/debug/trace_event.h b/base/trace_event/trace_event.h
similarity index 99%
copy from base/debug/trace_event.h
copy to base/trace_event/trace_event.h
index 975403641e0208cd0695f323eb63d9d6c4de8c7e..23cdb18c0432c2e730c01ec76878ff1e8e0c577c 100644
--- a/base/debug/trace_event.h
+++ b/base/trace_event/trace_event.h
@@ -186,8 +186,8 @@
 // trace points would carry a significant performance cost of acquiring a lock
 // and resolving the category.
 
-#ifndef BASE_DEBUG_TRACE_EVENT_H_
-#define BASE_DEBUG_TRACE_EVENT_H_
+#ifndef BASE_TRACING_TRACE_EVENT_H_
+#define BASE_TRACING_TRACE_EVENT_H_
 
 #include <string>
 
@@ -1586,4 +1586,4 @@ template<typename IDType> class TraceScopedTrackableObject {
 } // namespace debug
 } // namespace base
 
-#endif /* BASE_DEBUG_TRACE_EVENT_H_ */
+#endif /* BASE_TRACING_TRACE_EVENT_H_ */