[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 9f14c5ac2959919a06a9eeba054759a00f44bc31..1edaa6998e0b19b0a2a187671ea6a51b4f945a04 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_text;
+  SkColor primary_button_background;
+  SkColor secondary_button_background;
+  SkColor primary_button_text;
+  SkColor secondary_button_text;
+  SkColor button_background_hover;
+  SkColor 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;