gn format // (the rest)

build/util/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 action("webkit_version") {
   script = "version.py"
 
   lastchange_file = "LASTCHANGE.blink"
 
   # TODO(brettw) move from content to this directory.
   template_file = "//content/webkit_version.h.in"
   inputs = [
     lastchange_file,
     template_file,
   ]
 
   output_file = "$root_gen_dir/webkit_version.h"
-  outputs = [ output_file ]
+  outputs = [
+    output_file,
+  ]
 
   args = [
     "-f",
     rebase_path(lastchange_file, root_build_dir),
     rebase_path(template_file, root_build_dir),
     rebase_path(output_file, root_build_dir),
   ]
 }