Use one scoped_refptr.

webrtc/modules/desktop_capture/window_capturer_x11.cc

Index: webrtc/modules/desktop_capture/window_capturer_x11.cc
diff --git a/webrtc/modules/desktop_capture/window_capturer_x11.cc b/webrtc/modules/desktop_capture/window_capturer_x11.cc
index 8dacd4639d43c2f4ecc42803a90131b485c71299..356830568db274f698bff12bfcafc4c990b70fc1 100755
--- a/webrtc/modules/desktop_capture/window_capturer_x11.cc
+++ b/webrtc/modules/desktop_capture/window_capturer_x11.cc
@@ -20,13 +20,13 @@
 #include <algorithm>
 
 #include "webrtc/base/scoped_ptr.h"
+#include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/modules/desktop_capture/desktop_capture_options.h"
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
 #include "webrtc/modules/desktop_capture/x11/shared_x_display.h"
 #include "webrtc/modules/desktop_capture/x11/x_error_trap.h"
 #include "webrtc/modules/desktop_capture/x11/x_server_pixel_buffer.h"
 #include "webrtc/system_wrappers/interface/logging.h"
-#include "webrtc/system_wrappers/interface/scoped_refptr.h"
 
 namespace webrtc {
 
@@ -119,7 +119,7 @@ class WindowCapturerLinux : public WindowCapturer,
 
   Callback* callback_;
 
-  scoped_refptr<SharedXDisplay> x_display_;
+  rtc::scoped_refptr<SharedXDisplay> x_display_;
 
   Atom wm_state_atom_;
   Atom window_type_atom_;