Add a feature to display a persistence toggle for permission prompts on Android.

chrome/browser/permissions/permission_uma_util.h

Index: chrome/browser/permissions/permission_uma_util.h
diff --git a/chrome/browser/permissions/permission_uma_util.h b/chrome/browser/permissions/permission_uma_util.h
index ed0149ac7cc232ab6a2e075fd3cd6aa6014055db..58c71b3aafd0b5661a086c846f8c4172674f7016 100644
--- a/chrome/browser/permissions/permission_uma_util.h
+++ b/chrome/browser/permissions/permission_uma_util.h
@@ -124,6 +124,17 @@ class PermissionUmaUtil {
   static void PermissionPromptIgnored(content::PermissionType permission,
                                       int count);
 
+  // A permission prompt was accepted or denied, and the prompt displayed a
+  // persistence toggle. Records whether the toggle was enabled (persist) or
+  // disabled (don't persist).
+  static void PermissionPromptAcceptedWithPersistenceToggle(
+      content::PermissionType permission,
+      bool toggle_enabled);
+
+  static void PermissionPromptDeniedWithPersistenceToggle(
+      content::PermissionType permission,
+      bool toggle_enabled);
+
  private:
   friend class PermissionUmaUtilTest;