[vr] Add incognito coloring

chrome/browser/android/vr_shell/vr_shell.cc

Index: chrome/browser/android/vr_shell/vr_shell.cc
diff --git a/chrome/browser/android/vr_shell/vr_shell.cc b/chrome/browser/android/vr_shell/vr_shell.cc
index 083ee3c29e097dedc1ac5986b941fee8e6fc6efd..1cd96162aeee28b37dbf865764e3f44f6360ca01 100644
--- a/chrome/browser/android/vr_shell/vr_shell.cc
+++ b/chrome/browser/android/vr_shell/vr_shell.cc
@@ -34,6 +34,7 @@
 #include "chrome/browser/android/vr_shell/vr_web_contents_observer.h"
 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
 #include "chrome/browser/media/webrtc/media_stream_capture_indicator.h"
+#include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/render_view_host.h"
@@ -172,6 +173,7 @@ void VrShell::SetUiState() {
     ui_->SetURL(web_contents_->GetVisibleURL());
     ui_->SetLoading(web_contents_->IsLoading());
     ui_->SetFullscreen(web_contents_->IsFullscreen());
+    ui_->SetIncognito(web_contents_->GetBrowserContext()->IsOffTheRecord());
   }
 }