Run gn --format over all .gn files

components/pdf_viewer/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")
 
 mojo_native_application("pdf_viewer") {
   sources = [
     "pdf_viewer.cc",
   ]
 
   defines = [ "GL_GLEXT_PROTOTYPES" ]
 
   deps = [
     "//base",
     "//components/bitmap_uploader",
+    "//components/mus/public/cpp",
     "//components/mus/public/interfaces",
-    "//components/mus/public/cpp",
     "//components/web_view/public/interfaces",
     "//gpu",
     "//mojo/application/public/cpp",
     "//mojo/common",
     "//mojo/common:common_base",
     "//mojo/converters/input_events",
     "//mojo/converters/surfaces",
     "//mojo/public/c/gles2",
     "//mojo/public/cpp/bindings",
     "//mojo/services/network/public/cpp",
     "//mojo/services/network/public/interfaces",
     "//mojo/services/tracing/public/cpp",
     "//mojo/services/tracing/public/interfaces",
     "//third_party/pdfium",
     "//ui/gfx/geometry",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/geometry:util",
   ]
 
   data_deps = [
     "//components/clipboard",
     "//components/resource_provider",
     "//mojo/services/network:network",
   ]
 }