Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/referencecountedsingletonfactory.h

 /*
  *  Copyright 2004 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_BASE_REFERENCECOUNTEDSINGLETONFACTORY_H_
 #define WEBRTC_BASE_REFERENCECOUNTEDSINGLETONFACTORY_H_
 
+#include <memory>
+
 #include "webrtc/base/common.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/logging.h"
-#include "webrtc/base/scoped_ptr.h"
 
 namespace rtc {
 
 template <typename Interface> class rcsf_ptr;
 
 // A ReferenceCountedSingletonFactory is an object which owns another object,
 // and doles out the owned object to consumers in a reference-counted manner.
 // Thus, the factory owns at most one object of the desired kind, and
 // hands consumers a special pointer to it, through which they can access it.
 // When the consumers delete the pointer, the reference count goes down,
 // and if the reference count hits zero, the factory can throw the object
 // away.  If a consumer requests the pointer and the factory has none,
 // it can create one on the fly and pass it back.
 template <typename Interface>
 class ReferenceCountedSingletonFactory {
   friend class rcsf_ptr<Interface>;
  public:
   ReferenceCountedSingletonFactory() : ref_count_(0) {}
 
   virtual ~ReferenceCountedSingletonFactory() {
     ASSERT(ref_count_ == 0);
   }
 
  protected:
   // Must be implemented in a sub-class. The sub-class may choose whether or not
   // to cache the instance across lifetimes by either reset()'ing or not
-  // reset()'ing the scoped_ptr in CleanupInstance().
+  // reset()'ing the unique_ptr in CleanupInstance().
   virtual bool SetupInstance() = 0;
   virtual void CleanupInstance() = 0;
 
-  scoped_ptr<Interface> instance_;
+  std::unique_ptr<Interface> instance_;
 
  private:
   Interface* GetInstance() {
     rtc::CritScope cs(&crit_);
     if (ref_count_ == 0) {
       if (!SetupInstance()) {
         LOG(LS_VERBOSE) << "Failed to setup instance";
         return NULL;
       }
       ASSERT(instance_.get() != NULL);
@@ skipping 89 matching lines @@
 
   Interface* instance_;
   ReferenceCountedSingletonFactory<Interface>* factory_;
 
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(rcsf_ptr);
 };
 
 };  // namespace rtc
 
 #endif  // WEBRTC_BASE_REFERENCECOUNTEDSINGLETONFACTORY_H_