Convert //tools to use std::unique_ptr

extensions/renderer/api/display_source/display_source_session.h

 // Copyright 2015 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 EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_DISPLAY_SOURCE_SESSION_H_
 #define EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_DISPLAY_SOURCE_SESSION_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "extensions/common/api/display_source.h"
 #include "third_party/WebKit/public/web/WebDOMMediaStreamTrack.h"
 
 namespace content {
 class RenderFrame;
 }
 
 namespace extensions {
 
 using DisplaySourceAuthInfo = api::display_source::AuthenticationInfo;
@@ skipping 86 matching lines @@
  public:
   static scoped_ptr<DisplaySourceSession> CreateSession(
       const DisplaySourceSessionParams& params);
  private:
   DISALLOW_COPY_AND_ASSIGN(DisplaySourceSessionFactory);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_DISPLAY_SOURCE_SESSION_H_