Use one scoped_refptr.

webrtc/modules/desktop_capture/x11/shared_x_display.h

Index: webrtc/modules/desktop_capture/x11/shared_x_display.h
diff --git a/webrtc/modules/desktop_capture/x11/shared_x_display.h b/webrtc/modules/desktop_capture/x11/shared_x_display.h
index 81b5ef6606a2e247ae662b90fecbcf8245ca806c..11c5bf4482fdb9d56383fe5930eae98cf17b0a52 100644
--- a/webrtc/modules/desktop_capture/x11/shared_x_display.h
+++ b/webrtc/modules/desktop_capture/x11/shared_x_display.h
@@ -19,8 +19,8 @@
 
 #include <string>
 
+#include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/system_wrappers/interface/atomic32.h"
-#include "webrtc/system_wrappers/interface/scoped_refptr.h"
 
 namespace webrtc {
 
@@ -41,11 +41,12 @@ class SharedXDisplay {
   // Creates a new X11 Display for the |display_name|. NULL is returned if X11
   // connection failed. Equivalent to CreateDefault() when |display_name| is
   // empty.
-  static scoped_refptr<SharedXDisplay> Create(const std::string& display_name);
+  static rtc::scoped_refptr<SharedXDisplay> Create(
+      const std::string& display_name);
 
   // Creates X11 Display connection for the default display (e.g. specified in
   // DISPLAY). NULL is returned if X11 connection failed.
-  static scoped_refptr<SharedXDisplay> CreateDefault();
+  static rtc::scoped_refptr<SharedXDisplay> CreateDefault();
 
   void AddRef() { ++ref_count_; }
   void Release() {