Apply gn format with 'sources' sorting to src/

media/cdm/ppapi/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/features.gni")
 import("//chrome/version.gni")  # TODO layering violation!
 import("//media/cdm/ppapi/cdm_adapter.gni")
 
 # Android doesn't use ffmpeg.
 use_ffmpeg = !is_android
@@ skipping 36 matching lines @@
   }
 
   # TODO(GYP) on Mac: 'DYLIB_INSTALL_NAME_BASE': '@loader_path',
 }
 
 clearkeycdmadapter_rc_file = "$target_gen_dir/clearkeycdmadapter_version.rc"
 
 process_version("clearkeycdmadapter_resources") {
   visibility = [ ":*" ]
   sources = [
+    "//media/clearkeycdmadapter.ver",
     "external_clear_key/BRANDING",
-    "//media/clearkeycdmadapter.ver",
   ]
   output = clearkeycdmadapter_rc_file
 }
 
 cdm_adapter("clearkeycdmadapter") {
   sources = [
     clearkeycdmadapter_rc_file,
   ]
 
   # Check whether the plugin's origin URL is valid.
   defines = [ "CHECK_DOCUMENT_URL" ]
   deps = [
     ":clearkeycdm",
     ":clearkeycdmadapter_resources",
     "//ppapi/cpp",
   ]
 
   if (is_posix && !is_mac && enable_pepper_cdms) {
     # Because clearkeycdm has type 'loadable_module', we must explicitly
     # specify this dependency.
     ldflags = [ rebase_path("$root_out_dir/libclearkeycdm.so", root_build_dir) ]
     libs = [ "rt" ]
   }
 }