Replace scoped_ptr with unique_ptr everywhere

webrtc/system_wrappers/source/file_impl.h

 /*
  *  Copyright (c) 2011 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_FILE_IMPL_H_
 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_FILE_IMPL_H_
 
 #include <stdio.h>
 
+#include <memory>
+
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/system_wrappers/include/file_wrapper.h"
 
 namespace webrtc {
 
 class RWLockWrapper;
 
 class FileWrapperImpl : public FileWrapper {
  public:
   FileWrapperImpl();
@@ skipping 19 matching lines @@
 
   int Read(void* buf, size_t length) override;
   bool Write(const void* buf, size_t length) override;
   int WriteText(const char* format, ...) override;
   int Rewind() override;
 
  private:
   int CloseFileImpl();
   int FlushImpl();
 
-  rtc::scoped_ptr<RWLockWrapper> rw_lock_;
+  std::unique_ptr<RWLockWrapper> rw_lock_;
 
   FILE* id_;
   bool managed_file_handle_;
   bool open_;
   bool looping_;
   bool read_only_;
   size_t max_size_in_bytes_;  // -1 indicates file size limitation is off
   size_t size_in_bytes_;
   char file_name_utf8_[kMaxFileNameSize];
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_SYSTEM_WRAPPERS_SOURCE_FILE_IMPL_H_