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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef TracedValue_h
      6 #define TracedValue_h
      7 
      8 #include "platform/EventTracer.h"
      9 
     10 #include "wtf/PassRefPtr.h"
     11 #include "wtf/text/WTFString.h"
     12 
     13 namespace WebCore {
     14 class JSONValue;
     15 
     16 class PLATFORM_EXPORT TracedValue : public TraceEvent::ConvertableToTraceFormat {
     17     WTF_MAKE_NONCOPYABLE(TracedValue);
     18 public:
     19     static PassRefPtr<TraceEvent::ConvertableToTraceFormat> fromJSONValue(PassRefPtr<JSONValue> value)
     20     {
     21         return adoptRef(new TracedValue(value));
     22     }
     23 
     24     String asTraceFormat() const OVERRIDE;
     25 
     26 private:
     27     explicit TracedValue(PassRefPtr<JSONValue>);
     28     virtual ~TracedValue();
     29 
     30     RefPtr<JSONValue> m_value;
     31 };
     32 
     33 } // namespace WebCore
     34 
     35 #endif // TracedValue_h
     36