Revert of Replace the remaining scoped_ptr with unique_ptr in webrtc/modules/

webrtc/modules/desktop_capture/shared_memory.h

 /*
  *  Copyright (c) 2013 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_MODULES_DESKTOP_CAPTURE_SHARED_MEMORY_H_
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_SHARED_MEMORY_H_
 
 #include <stddef.h>
 
 #if defined(WEBRTC_WIN)
 #include <windows.h>
 #endif
 
-#include <memory>
-
 #include "webrtc/base/constructormagic.h"
+#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 // SharedMemory is a base class for shared memory. It stores all required
 // parameters of the buffer, but doesn't have any logic to allocate or destroy
 // the actual buffer. DesktopCapturer consumers that need to use shared memory
 // for video frames must extend this class with creation and destruction logic
 // specific for the target platform and then call
 // DesktopCapturer::SetSharedMemoryFactory().
@@ skipping 30 matching lines @@
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(SharedMemory);
 };
 
 // Interface used to create SharedMemory instances.
 class SharedMemoryFactory {
  public:
   SharedMemoryFactory() {}
   virtual ~SharedMemoryFactory() {}
 
-  virtual std::unique_ptr<SharedMemory> CreateSharedMemory(size_t size) = 0;
+  virtual rtc::scoped_ptr<SharedMemory> CreateSharedMemory(size_t size) = 0;
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(SharedMemoryFactory);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_SHARED_MEMORY_H_