[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 8457c8139a820751f83d3a3820f0dd550e762f65..1db6df5d897876a380478bd9249dbe3d011b16c2 100644
--- a/chrome/browser/android/vr_shell/color_scheme.h
+++ b/chrome/browser/android/vr_shell/color_scheme.h
@@ -50,6 +50,15 @@ struct ColorScheme {
   SkColor system_indicator_background;
   SkColor system_indicator_foreground;
 
+  // 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;
+
   // If you have a segmented element, its separators should use this color.
   SkColor separator;