tracing: Make ConvertableToTraceFormat move-only scoped_ptr

third_party/WebKit/Source/platform/EventTracer.cpp

 /*
  * 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 58 matching lines @@
 }
 
 TraceEvent::TraceEventHandle EventTracer::addTraceEvent(char phase, const unsigned char* categoryEnabledFlag,
     const char* name, const char* scope, unsigned long long id, unsigned long long bindId, double timestamp,
     int numArgs, const char* argNames[], const unsigned char argTypes[],
     const unsigned long long argValues[],
     PassOwnPtr<TracedValue> tracedValue1,
     PassOwnPtr<TracedValue> tracedValue2,
     unsigned flags)
 {
-    scoped_refptr<base::trace_event::ConvertableToTraceFormat> convertables[2];
+    scoped_ptr<base::trace_event::ConvertableToTraceFormat> convertables[2];
     ASSERT(numArgs <= 2);
     // We move m_tracedValues from TracedValues for thread safety.
     // https://crbug.com/478149
     if (numArgs >= 1 && argTypes[0] == TRACE_VALUE_TYPE_CONVERTABLE)
         convertables[0] = std::move(tracedValue1->m_tracedValue);
     if (numArgs >= 2 && argTypes[1] == TRACE_VALUE_TYPE_CONVERTABLE)
         convertables[1] = std::move(tracedValue2->m_tracedValue);
     return addTraceEvent(phase, categoryEnabledFlag, name, scope, id, bindId, timestamp, numArgs, argNames, argTypes, argValues, convertables, flags);
 }
 
 TraceEvent::TraceEventHandle EventTracer::addTraceEvent(char phase, const unsigned char* categoryEnabledFlag,
     const char* name, const char* scope, unsigned long long id, unsigned long long bindId, double timestamp,
     int numArgs, const char** argNames, const unsigned char* argTypes,
     const unsigned long long* argValues, unsigned flags)
 {
     return addTraceEvent(phase, categoryEnabledFlag, name, scope, id, bindId, timestamp, numArgs, argNames, argTypes, argValues, nullptr, flags);
 }
 
 TraceEvent::TraceEventHandle EventTracer::addTraceEvent(char phase, const unsigned char* categoryEnabledFlag,
     const char* name, const char* scope, unsigned long long id, unsigned long long bindId, double timestamp,
     int numArgs, const char** argNames, const unsigned char* argTypes, const unsigned long long* argValues,
-    const scoped_refptr<base::trace_event::ConvertableToTraceFormat>* convertables, unsigned flags)
+    scoped_ptr<base::trace_event::ConvertableToTraceFormat>* convertables, unsigned flags)
 {
     base::TimeTicks timestampTimeTicks = base::TimeTicks() + base::TimeDelta::FromSecondsD(timestamp);
     base::trace_event::TraceEventHandle handle = TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP(phase, categoryEnabledFlag, name, scope, id, bindId, base::PlatformThread::CurrentId(), timestampTimeTicks, numArgs, argNames, argTypes, argValues, convertables, flags);
     TraceEvent::TraceEventHandle result;
     memcpy(&result, &handle, sizeof(result));
     return result;
 }
 
 void EventTracer::updateTraceEventDuration(const unsigned char* categoryEnabledFlag, const char* name, TraceEvent::TraceEventHandle handle)
 {
     base::trace_event::TraceEventHandle traceEventHandle;
     memcpy(&traceEventHandle, &handle, sizeof(handle));
     TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION(categoryEnabledFlag, name, traceEventHandle);
 }
 
 double EventTracer::systemTraceTime()
 {
     return (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
 }
 
 } // namespace blink