gn: Generalize process_version() and move it to build/util

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("//chrome/process_version_rc_template.gni")
 import("//media/cdm/ppapi/cdm_paths.gni")
 import("//media/cdm/ppapi/ppapi_cdm_adapter.gni")
 import("//media/media_options.gni")
 
 shared_library("clearkeycdm") {
   output_dir = "$root_out_dir/$clearkey_cdm_path"
   sources = [
     "cdm_file_io_test.cc",
     "cdm_file_io_test.h",
     "external_clear_key/cdm_video_decoder.cc",
@@ skipping 26 matching lines @@
     ]
     defines += [ "CLEAR_KEY_CDM_USE_FFMPEG_DECODER" ]
     deps += [ "//third_party/ffmpeg" ]
   }
 
   if (is_mac) {
     ldflags = [ "-Wl,-install_name,@loader_path/libclearkeycdm.dylib" ]
   }
 }
 
-process_version("clearkeycdmadapter_resources") {
+process_version_rc_template("clearkeycdmadapter_resources") {
   visibility = [ ":*" ]
-  template_file = chrome_version_rc_template
   sources = [
     "//media/clearkeycdmadapter.ver",
     "external_clear_key/BRANDING",
   ]
   output = "$target_gen_dir/clearkeycdmadapter_version.rc"
 }
 
 ppapi_cdm_adapter("clearkeycdmadapter") {
   output_dir = "$root_out_dir/$clearkey_cdm_path"
 
   # Check whether the plugin's origin URL is valid.
   defines = [ "CHECK_DOCUMENT_URL" ]
   deps = [
     ":clearkeycdm",
     ":clearkeycdmadapter_resources",
     "//base",  # Required for the allocator implementation.
     "//media:shared_memory_support",
     "//ui/gfx/geometry",
   ]
 }