[Chromoting] Implement host safe-mode

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 <string>
 #include <utility>
 
 #include "base/optional.h"
+#include "remoting/host/safe_mode.h"
 
 namespace remoting {
 
 using DesktopCaptureOptions = webrtc::DesktopCaptureOptions;
 
 // static
 DesktopEnvironmentOptions DesktopEnvironmentOptions::CreateDefault() {
   DesktopEnvironmentOptions options;
   options.desktop_capture_options_ = DesktopCaptureOptions::CreateDefault();
   options.Initialize();
@@ skipping 12 matching lines @@
 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);
+  if (ExecuteHostInSafeMode()) {
+    desktop_capture_options_.set_allow_directx_capturer(false);
+  } else {
+    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() {
@@ skipping 27 matching lines @@
 #endif
   // This field is for test purpose. Usually it should not be set to false.
   base::Optional<bool> detect_updated_region =
       options.GetBool("Detect-Updated-Region");
   if (detect_updated_region) {
     desktop_capture_options_.set_detect_updated_region(*detect_updated_region);
   }
 }
 
 }  // namespace remoting