XXX test gn format everything

mojo/public/BUILD.gn

 # Copyright 2014 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.
 
 import("//mojo/public/mojo.gni")
 
 group("public") {
   # Meta-target, don't link into production code.
   testonly = true
   deps = [
     ":libmojo_sdk",
     ":sdk",
     "//mojo/public/cpp/application:standalone",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/environment:standalone",
     "//mojo/public/cpp/utility",
     "//mojo/public/interfaces/bindings/tests:test_interfaces",
     "//mojo/public/sky",
   ]
 
   if (is_linux) {
-    deps += [
-      "//mojo/public/python",
-    ]
+    deps += [ "//mojo/public/python" ]
   }
 
   if (mojo_use_dart) {
-    deps += [
-      "//mojo/public/dart",
-    ]
+    deps += [ "//mojo/public/dart" ]
   }
 
   if (is_android) {
     deps += [
       "//mojo/public/java:system",
       "//mojo/public/java:bindings",
     ]
   }
 }
 
 group("sdk") {
   deps = [
     "//mojo/public/c/system",
     "//mojo/public/cpp/application:standalone",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/environment:standalone",
     "//mojo/public/cpp/utility",
     "//mojo/public/interfaces/application",
     "//mojo/public/js",
   ]
 }
 
 static_library("libmojo_sdk") {
   complete_static_lib = true
-  deps = [ ":sdk" ]
+  deps = [
+    ":sdk",
+  ]
 }