Replace scoped_ptr with unique_ptr everywhere

webrtc/system_wrappers/source/trace_impl.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
 
+#include <memory>
+
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/system_wrappers/include/event_wrapper.h"
 #include "webrtc/system_wrappers/include/file_wrapper.h"
 #include "webrtc/system_wrappers/include/static_instance.h"
 #include "webrtc/base/platform_thread.h"
 #include "webrtc/system_wrappers/include/trace.h"
 
 namespace webrtc {
 
@@ skipping 66 matching lines @@
     char file_name_with_counter_utf8[FileWrapper::kMaxFileNameSize],
     const uint32_t new_count) const;
 
   void WriteToFile(const char* msg, uint16_t length)
       EXCLUSIVE_LOCKS_REQUIRED(crit_);
 
   TraceCallback* callback_ GUARDED_BY(crit_);
   uint32_t row_count_text_ GUARDED_BY(crit_);
   uint32_t file_count_text_ GUARDED_BY(crit_);
 
-  const rtc::scoped_ptr<FileWrapper> trace_file_ GUARDED_BY(crit_);
+  const std::unique_ptr<FileWrapper> trace_file_ GUARDED_BY(crit_);
   rtc::CriticalSection crit_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_