[PoC] Reformat all BUILD.gn and *.gni files with new gn.

components/mus/example/wm/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("//build/config/ui.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 group("wm") {
   testonly = true
   deps = [
+    ":apptests",
     ":example_wm",
-    ":apptests",
   ]
 }
 
 source_set("example_wm_lib") {
   sources = [
     "background_layout.cc",
     "background_layout.h",
     "layout_manager.cc",
     "layout_manager.h",
     "move_loop.cc",
     "move_loop.h",
     "non_client_frame_controller.cc",
     "non_client_frame_controller.h",
     "non_client_frame_view_impl.cc",
     "non_client_frame_view_impl.h",
     "property_util.cc",
     "property_util.h",
     "shelf_layout.cc",
     "shelf_layout.h",
     "window_layout.cc",
     "window_layout.h",
     "window_manager_application.cc",
     "window_manager_application.h",
     "window_manager_impl.cc",
     "window_manager_impl.h",
   ]
 
   deps = [
     "//base",
+    "//components/mus/common",
     "//components/mus/example/wm/public/interfaces",
-    "//components/mus/common",
     "//components/mus/public/cpp",
     "//components/mus/public/interfaces",
     "//mojo/application/public/cpp",
     "//mojo/common:common_base",
     "//mojo/converters/geometry",
     "//skia",
     "//ui/mojo/init",
     "//ui/views",
     "//ui/views/mus",
   ]
@@ skipping 58 matching lines @@
     "//components/mus/public/cpp",
     "//components/mus/public/cpp/tests:unittest_support",
     "//mojo/converters/geometry",
     "//mojo/converters/input_events",
     "//mojo/gles2",
     "//mojo/platform_handle",
     "//mojo/public/cpp/system",
     "//testing/gtest",
     "//third_party/mojo/src/mojo/edk/system",
     "//ui/events",
+    "//ui/gfx:test_support",
     "//ui/gfx/geometry",
-    "//ui/gfx:test_support",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/geometry:util",
   ]
 }