[vr] Clicking on the security icon should prompt the user to bail out of VR

chrome/browser/android/vr_shell/color_scheme.h

Index: chrome/browser/android/vr_shell/color_scheme.h
diff --git a/chrome/browser/android/vr_shell/color_scheme.h b/chrome/browser/android/vr_shell/color_scheme.h
index ebbed05f57c648c06addb7ec75c328016008560a..184a56f1422f2ad71263682d0ebf220326834cc8 100644
--- a/chrome/browser/android/vr_shell/color_scheme.h
+++ b/chrome/browser/android/vr_shell/color_scheme.h
@@ -31,6 +31,15 @@ struct ColorScheme {
   SkColor emphasized;
   SkColor deemphasized;
 
+  // The colors used for text and buttons on prompts.
+  SkColor prompt_foreground;
+  SkColor prompt_primary_button_background;
+  SkColor prompt_secondary_button_background;
+  SkColor prompt_primary_button_forground;
+  SkColor prompt_secondary_button_foreground;
+  SkColor prompt_button_background_hover;
+  SkColor prompt_button_background_down;
+
   // This is the background color. To be used behind text in the foreground
   // color. The related hover and down colors are to be used for buttons.
   SkColor background;