Use one scoped_refptr.

webrtc/modules/desktop_capture/x11/shared_x_display.cc

Index: webrtc/modules/desktop_capture/x11/shared_x_display.cc
diff --git a/webrtc/modules/desktop_capture/x11/shared_x_display.cc b/webrtc/modules/desktop_capture/x11/shared_x_display.cc
index 05b7f572e0b22a12e9b7c8b7aa93960d8d9f30ac..9383715eda5885856a598b259a66afae54f9ffa3 100644
--- a/webrtc/modules/desktop_capture/x11/shared_x_display.cc
+++ b/webrtc/modules/desktop_capture/x11/shared_x_display.cc
@@ -27,7 +27,7 @@ SharedXDisplay::~SharedXDisplay() {
 }
 
 // static
-scoped_refptr<SharedXDisplay> SharedXDisplay::Create(
+rtc::scoped_refptr<SharedXDisplay> SharedXDisplay::Create(
     const std::string& display_name) {
   Display* display =
       XOpenDisplay(display_name.empty() ? NULL : display_name.c_str());
@@ -39,7 +39,7 @@ scoped_refptr<SharedXDisplay> SharedXDisplay::Create(
 }
 
 // static
-scoped_refptr<SharedXDisplay> SharedXDisplay::CreateDefault() {
+rtc::scoped_refptr<SharedXDisplay> SharedXDisplay::CreateDefault() {
   return Create(std::string());
 }
 
@@ -64,7 +64,7 @@ void SharedXDisplay::RemoveEventHandler(int type, XEventHandler* handler) {
 void SharedXDisplay::ProcessPendingXEvents() {
   // Hold reference to |this| to prevent it from being destroyed while
   // processing events.
-  scoped_refptr<SharedXDisplay> self(this);
+  rtc::scoped_refptr<SharedXDisplay> self(this);
 
   // Find the number of events that are outstanding "now."  We don't just loop
   // on XPending because we want to guarantee this terminates.