[vr] Add incognito coloring

chrome/browser/android/vr_shell/ui_elements/textured_element.cc

Index: chrome/browser/android/vr_shell/ui_elements/textured_element.cc
diff --git a/chrome/browser/android/vr_shell/ui_elements/textured_element.cc b/chrome/browser/android/vr_shell/ui_elements/textured_element.cc
index b2603054236f2b5e6405bea4b139db608977fde4..c734358fb6c87b74369f5f967fe0150e4c21c9b1 100644
--- a/chrome/browser/android/vr_shell/ui_elements/textured_element.cc
+++ b/chrome/browser/android/vr_shell/ui_elements/textured_element.cc
@@ -65,4 +65,8 @@ void TexturedElement::Flush(SkSurface* surface) {
                GL_RGBA, GL_UNSIGNED_BYTE, pixmap.addr());
 }
 
+void TexturedElement::OnSetMode() {
+  GetTexture()->SetMode(mode());
+}
+
 }  // namespace vr_shell