Convert //remoting to use std::unique_ptr

remoting/host/disconnect_window_linux.cc

Index: remoting/host/disconnect_window_linux.cc
diff --git a/remoting/host/disconnect_window_linux.cc b/remoting/host/disconnect_window_linux.cc
index a113fa84188ddddc5398e15aa6a2abd1b673b6d2..524bbe0c7a91d75ff9a1d75fc0e25822e1839629 100644
--- a/remoting/host/disconnect_window_linux.cc
+++ b/remoting/host/disconnect_window_linux.cc
@@ -8,6 +8,7 @@
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "remoting/base/string_resources.h"
@@ -288,8 +289,8 @@ gboolean DisconnectWindowGtk::OnButtonPress(GtkWidget* widget,
 }  // namespace
 
 // static
-scoped_ptr<HostWindow> HostWindow::CreateDisconnectWindow() {
-  return make_scoped_ptr(new DisconnectWindowGtk());
+std::unique_ptr<HostWindow> HostWindow::CreateDisconnectWindow() {
+  return base::WrapUnique(new DisconnectWindowGtk());
 }
 
 }  // namespace remoting