XXX test gn format everything

mojo/public/java/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("//build/config/android/rules.gni")
- 
+
 android_library("system") {
   java_files = [
     "system/src/org/chromium/mojo/system/AsyncWaiter.java",
     "system/src/org/chromium/mojo/system/Core.java",
     "system/src/org/chromium/mojo/system/DataPipe.java",
     "system/src/org/chromium/mojo/system/Flags.java",
     "system/src/org/chromium/mojo/system/Handle.java",
     "system/src/org/chromium/mojo/system/InvalidHandle.java",
     "system/src/org/chromium/mojo/system/MessagePipeHandle.java",
     "system/src/org/chromium/mojo/system/MojoException.java",
@@ skipping 25 matching lines @@
     "bindings/src/org/chromium/mojo/bindings/MessageReceiver.java",
     "bindings/src/org/chromium/mojo/bindings/MessageReceiverWithResponder.java",
     "bindings/src/org/chromium/mojo/bindings/RouterImpl.java",
     "bindings/src/org/chromium/mojo/bindings/Router.java",
     "bindings/src/org/chromium/mojo/bindings/SerializationException.java",
     "bindings/src/org/chromium/mojo/bindings/ServiceMessage.java",
     "bindings/src/org/chromium/mojo/bindings/SideEffectFreeCloseable.java",
     "bindings/src/org/chromium/mojo/bindings/Struct.java",
   ]
 
-  deps = [ ":system" ]
+  deps = [
+    ":system",
+  ]
 }