Extensions: Switch to new permission message system, part V

extensions/common/permissions/permission_message.h

Index: extensions/common/permissions/permission_message.h
diff --git a/extensions/common/permissions/permission_message.h b/extensions/common/permissions/permission_message.h
index b783b3d9cfd07aebefbf49b2443c00260a65eff5..85cc7cc0bfc67ab5d04149dffcbd40eb25e3d714 100644
--- a/extensions/common/permissions/permission_message.h
+++ b/extensions/common/permissions/permission_message.h
@@ -106,7 +106,8 @@ class PermissionMessage {
     kSettingsPrivate,
     kPrinterProvider,
     // Last entry: Add new entries above and ensure to update the
-    // "ExtensionPermission2" enum in tools/metrics/histograms/histograms.xml.
+    // "ExtensionPermission2" enum in tools/metrics/histograms/histograms.xml
+    // (by running update_extension_functions.py).
     kEnumBoundary,
   };
   static_assert(PermissionMessage::kNone > PermissionMessage::kUnknown,