Index: clang/lib/Format/Format.cpp
===================================================================
--- clang/lib/Format/Format.cpp
+++ clang/lib/Format/Format.cpp
@@ -1696,6 +1696,7 @@
     ChromiumStyle.AllowShortLoopsOnASingleLine = false;
     ChromiumStyle.BinPackParameters = false;
     ChromiumStyle.DerivePointerAlignment = false;
+    ChromiumStyle.InsertBraces = true;
     if (Language == FormatStyle::LK_ObjC)
       ChromiumStyle.ColumnLimit = 80;
   }