Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/sessions/session_id.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_SESSIONS_SESSION_ID_H__
 #define CHROME_BROWSER_EXTENSIONS_API_SESSIONS_SESSION_ID_H__
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace extensions {
 
 class SessionId {
  public:
   // Returns a SessionId, representing either a local or a foreign session.
   // In the case that the session is local, |session_tag_| will be empty string.
   // |session_string| should be in the format that ToString() would produce.
-  static scoped_ptr<SessionId> Parse(const std::string& session_string);
+  static std::unique_ptr<SessionId> Parse(const std::string& session_string);
 
   // Constructs a SessionId object for the given session information.
   // |session_tag| is the string used to uniquely identify a synced foreign
   // session from the SessionModelAssociator. In the case that SessionId
   // represents a local session, |session_tag_| will be the empty string. |id|
   // uniquely identifies either a window or tab object in the local or the
   // |session_tag| session.
   SessionId(const std::string& session_tag, int id);
 
   // Returns true if the SessionId represents a foreign session.
@@ skipping 13 matching lines @@
 
   // ID corresponding to a window or tab object.
   int id_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionId);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SESSIONS_SESSION_ID_H__