Replace scoped_ptr with unique_ptr in webrtc/libjingle/

webrtc/libjingle/xmllite/xmlnsstack.h

Index: webrtc/libjingle/xmllite/xmlnsstack.h
diff --git a/webrtc/libjingle/xmllite/xmlnsstack.h b/webrtc/libjingle/xmllite/xmlnsstack.h
index 174f8aefc054a88bc5d78838a0c1ff147f1d2346..07a9883de51465bae6a1c2a0b6d1594a9812c149 100644
--- a/webrtc/libjingle/xmllite/xmlnsstack.h
+++ b/webrtc/libjingle/xmllite/xmlnsstack.h
@@ -11,6 +11,7 @@
 #ifndef WEBRTC_LIBJINGLE_XMLLITE_XMLNSSTACK_H_
 #define WEBRTC_LIBJINGLE_XMLLITE_XMLNSSTACK_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 #include "webrtc/libjingle/xmllite/qname.h"
@@ -37,8 +38,8 @@ public:
 
 private:
 
-  rtc::scoped_ptr<std::vector<std::string> > pxmlnsStack_;
-  rtc::scoped_ptr<std::vector<size_t> > pxmlnsDepthStack_;
+  std::unique_ptr<std::vector<std::string> > pxmlnsStack_;
+  std::unique_ptr<std::vector<size_t> > pxmlnsDepthStack_;
 };
 }