Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/httpserver.h

Index: webrtc/base/httpserver.h
diff --git a/webrtc/base/httpserver.h b/webrtc/base/httpserver.h
index 30c8f4c5516caf2067ac9dbc897d740153361d1a..c322e81790bed75e9dc5c69e2ccc6d470e14728a 100644
--- a/webrtc/base/httpserver.h
+++ b/webrtc/base/httpserver.h
@@ -12,6 +12,8 @@
 #define WEBRTC_BASE_HTTPSERVER_H__
 
 #include <map>
+#include <memory>
+
 #include "webrtc/base/httpbase.h"
 
 namespace rtc {
@@ -127,7 +129,7 @@ private:
   void OnConnectionClosed(HttpServer* server, int connection_id,
                           StreamInterface* stream);
 
-  scoped_ptr<AsyncSocket> listener_;
+  std::unique_ptr<AsyncSocket> listener_;
 };
 
 //////////////////////////////////////////////////////////////////////