gn format everything.

device/devices_app/BUILD.gn

 # Copyright 2015 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_application.gni")
 
 source_set("lib") {
   sources = [
     "devices_app.cc",
     "devices_app.h",
@@ skipping 51 matching lines @@
     deps = [
       "//base",
       "//mojo/application/public/cpp:test_support",
     ]
 
     public_deps = [
       ":lib",
       "//device/devices_app/usb/public/interfaces",
     ]
 
-    data_deps = [ ":devices" ]
+    data_deps = [
+      ":devices",
+    ]
   }
 }