[Chromoting] Implement host safe-mode

remoting/host/host_attributes.cc

Index: remoting/host/host_attributes.cc
diff --git a/remoting/host/host_attributes.cc b/remoting/host/host_attributes.cc
index 307d04e289fd66c4df9a4ed1219155dcf2904287..d75157442cf56a0ae0ee6ef865f4f670de0733a7 100644
--- a/remoting/host/host_attributes.cc
+++ b/remoting/host/host_attributes.cc
@@ -14,6 +14,7 @@
 #include "base/logging.h"
 #include "base/macros.h"
 #include "build/build_config.h"
+#include "remoting/host/safe_mode.h"
 
 #if defined(OS_WIN)
 #include "third_party/webrtc/modules/desktop_capture/win/dxgi_duplicator_controller.h"
@@ -65,7 +66,19 @@ inline constexpr bool IsNonOfficialBuild() {
 }
 
 #if defined(OS_WIN)
+inline bool IsDirectxCapturerSupported() {
+  if (ExecuteHostInSafeMode()) {
+    return false;
+  }
+
+  return webrtc::ScreenCapturerWinDirectx::IsSupported();
+}
+
 inline bool MinD3DFeatureLevelGreatThan10() {
+  if (ExecuteHostInSafeMode()) {
+    return false;
+  }
+
   webrtc::DxgiDuplicatorController::D3dInfo info;
   if (webrtc::DxgiDuplicatorController::Instance()->RetrieveD3dInfo(&info)) {
     return info.min_feature_level >= D3D_FEATURE_LEVEL_10_0;
@@ -74,6 +87,10 @@ inline bool MinD3DFeatureLevelGreatThan10() {
 }
 
 inline bool MinD3DFeatureLevelGreatThan11() {
+  if (ExecuteHostInSafeMode()) {
+    return false;
+  }
+
   webrtc::DxgiDuplicatorController::D3dInfo info;
   if (webrtc::DxgiDuplicatorController::Instance()->RetrieveD3dInfo(&info)) {
     return info.min_feature_level >= D3D_FEATURE_LEVEL_11_0;
@@ -82,6 +99,10 @@ inline bool MinD3DFeatureLevelGreatThan11() {
 }
 
 inline bool MinD3DFeatureLevelGreatThan12() {
+  if (ExecuteHostInSafeMode()) {
+    return false;
+  }
+
   webrtc::DxgiDuplicatorController::D3dInfo info;
   if (webrtc::DxgiDuplicatorController::Instance()->RetrieveD3dInfo(&info)) {
     return info.min_feature_level >= D3D_FEATURE_LEVEL_12_0;
@@ -106,8 +127,9 @@ static constexpr Attribute kAttributes[] = {
   { "ChromiumBrand", &IsChromiumBranded },
   { "OfficialBuild", &IsOfficialBuild },
   { "NonOfficialBuild", &IsNonOfficialBuild },
+  { "Safe-Mode", &ExecuteHostInSafeMode },
 #if defined(OS_WIN)
-  { "DirectX-Capturer", &webrtc::ScreenCapturerWinDirectx::IsSupported },
+  { "DirectX-Capturer", &IsDirectxCapturerSupported },
   { "MinD3DGT10", &MinD3DFeatureLevelGreatThan10 },
   { "MinD3DGT11", &MinD3DFeatureLevelGreatThan11 },
   { "MinD3DGT12", &MinD3DFeatureLevelGreatThan12 },