Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/cryptstring.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_CRYPTSTRING_H_
 #define _WEBRTC_BASE_CRYPTSTRING_H_
 
 #include <string.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "webrtc/base/linked_ptr.h"
-#include "webrtc/base/scoped_ptr.h"
 
 namespace rtc {
 
 class CryptStringImpl {
 public:
   virtual ~CryptStringImpl() {}
   virtual size_t GetLength() const = 0;
   virtual void CopyTo(char * dest, bool nullterminate) const = 0;
   virtual std::string UrlEncode() const = 0;
   virtual CryptStringImpl * Copy() const = 0;
   virtual void CopyRawTo(std::vector<unsigned char> * dest) const = 0;
 };
 
 class EmptyCryptStringImpl : public CryptStringImpl {
 public:
   ~EmptyCryptStringImpl() override {}
   size_t GetLength() const override;
   void CopyTo(char* dest, bool nullterminate) const override;
   std::string UrlEncode() const override;
   CryptStringImpl* Copy() const override;
   void CopyRawTo(std::vector<unsigned char>* dest) const override;
 };
 
 class CryptString {
-public:
- CryptString();
+ public:
+  CryptString();
   size_t GetLength() const { return impl_->GetLength(); }
   void CopyTo(char * dest, bool nullterminate) const { impl_->CopyTo(dest, nullterminate); }
   CryptString(const CryptString& other);
   explicit CryptString(const CryptStringImpl& impl);
   ~CryptString();
   CryptString & operator=(const CryptString & other) {
     if (this != &other) {
       impl_.reset(other.impl_->Copy());
     }
     return *this;
   }
   void Clear() { impl_.reset(new EmptyCryptStringImpl()); }
   std::string UrlEncode() const { return impl_->UrlEncode(); }
   void CopyRawTo(std::vector<unsigned char> * dest) const {
     return impl_->CopyRawTo(dest);
   }
-  
-private:
-  scoped_ptr<const CryptStringImpl> impl_;
+
+ private:
+  std::unique_ptr<const CryptStringImpl> impl_;
 };
 
 
 // Used for constructing strings where a password is involved and we
 // need to ensure that we zero memory afterwards
 class FormatCryptString {
 public:
   FormatCryptString() {
     storage_ = new char[32];
     capacity_ = 32;
@@ skipping 84 matching lines @@
   CryptStringImpl* Copy() const override;
   void CopyRawTo(std::vector<unsigned char>* dest) const override;
 
  private:
   std::string password_;
 };
 
 }
 
 #endif  // _WEBRTC_BASE_CRYPTSTRING_H_