Unfork Sky's trace events

sky/engine/platform/EventTracer.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #ifndef EventTracer_h
 #define EventTracer_h
 
 #include "platform/PlatformExport.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 #include <stdint.h>
 
-// This will mark the trace event as disabled by default. The user will need
-// to explicitly enable the event.
-#define TRACE_DISABLED_BY_DEFAULT(name) "disabled-by-default-" name
-
 namespace blink {
 
 namespace TraceEvent {
 typedef uint64_t TraceEventHandle;
 
 class PLATFORM_EXPORT ConvertableToTraceFormat : public RefCounted<ConvertableToTraceFormat> {
 public:
     virtual String asTraceFormat() const = 0;
     virtual ~ConvertableToTraceFormat() { }
 };
@@ skipping 25 matching lines @@
         const char* argNames[],
         const unsigned char argTypes[],
         const unsigned long long argValues[],
         unsigned char flags);
     static void updateTraceEventDuration(const unsigned char* categoryEnabledFlag, const char* name, TraceEvent::TraceEventHandle);
 };
 
 } // namespace blink
 
 #endif // EventTracer_h