[Chromoting] Enable DirectX capturer

remoting/host/desktop_environment_options.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/desktop_environment_options.h"
 
 #include <utility>
 
 namespace remoting {
 
@@ skipping 18 matching lines @@
 DesktopEnvironmentOptions::~DesktopEnvironmentOptions() = default;
 DesktopEnvironmentOptions&
 DesktopEnvironmentOptions::operator=(
     DesktopEnvironmentOptions&& other) = default;
 DesktopEnvironmentOptions&
 DesktopEnvironmentOptions::operator=(
     const DesktopEnvironmentOptions& other) = default;
 
 void DesktopEnvironmentOptions::Initialize() {
   desktop_capture_options_.set_detect_updated_region(true);
+#if defined (OS_WIN)
+  desktop_capture_options_.set_allow_directx_capturer(true);
+#endif
 }
 
 const DesktopCaptureOptions*
 DesktopEnvironmentOptions::desktop_capture_options() const {
   return &desktop_capture_options_;
 }
 
 DesktopCaptureOptions*
 DesktopEnvironmentOptions::desktop_capture_options() {
   return &desktop_capture_options_;
 }
 
 bool DesktopEnvironmentOptions::enable_curtaining() const {
   return enable_curtaining_;
 }
 
 void DesktopEnvironmentOptions::set_enable_curtaining(bool enabled) {
   enable_curtaining_ = enabled;
 }
 
 bool DesktopEnvironmentOptions::enable_user_interface() const {
   return enable_user_interface_;
 }
 
 void DesktopEnvironmentOptions::set_enable_user_interface(bool enabled) {
   enable_user_interface_ = enabled;
 }
 
 }  // namespace remoting