Convert //content from scoped_ptr to std::unique_ptr

content/public/browser/presentation_service_delegate.h

Index: content/public/browser/presentation_service_delegate.h
diff --git a/content/public/browser/presentation_service_delegate.h b/content/public/browser/presentation_service_delegate.h
index fdd25c38b1baa63a9aabdfdff197d1a7aab772da..cb1725bf763ddac7e11cd82822f1f73e194c9be0 100644
--- a/content/public/browser/presentation_service_delegate.h
+++ b/content/public/browser/presentation_service_delegate.h
@@ -5,11 +5,11 @@
 #ifndef CONTENT_PUBLIC_BROWSER_PRESENTATION_SERVICE_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_PRESENTATION_SERVICE_DELEGATE_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/presentation_session.h"
@@ -186,7 +186,7 @@ class CONTENT_EXPORT PresentationServiceDelegate {
   virtual void SendMessage(int render_process_id,
                            int render_frame_id,
                            const content::PresentationSessionInfo& session,
-                           scoped_ptr<PresentationSessionMessage> message,
+                           std::unique_ptr<PresentationSessionMessage> message,
                            const SendMessageCallback& send_message_cb) = 0;
 
   // Continuously listen for state changes for a PresentationConnection in a