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

chrome/installer/mini_installer/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/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/visual_studio_version.gni")
+import("//chrome/process_version_rc_template.gni")
 import("//chrome/test/mini_installer/mini_installer_test.gni")
-import("//chrome/version.gni")
 import("//third_party/icu/config.gni")
 import("//ui/base/ui_features.gni")
 import("//v8/gni/v8.gni")
 
 config("mini_installer_compiler_flags") {
   # Disable buffer security checking.
   cflags = [ "/GS-" ]
 }
 
 source_set("lib") {
@@ skipping 23 matching lines @@
   # This input dependency on the mini installer test Python files will force a
   # recompilation when any of the Python files have changed. This will then
   # invalidate the build and trigger running the test on the bots even when
   # no other Chrome files have changed. These have to be inputs rather than a
   # dependency because a dependency won't actually trigger recompiles in
   # incremental build cases unless a source file actually references one of the
   # dependency outputs.
   inputs = mini_installer_test_files
 }
 
-process_version("version") {
+process_version_rc_template("version") {
   template_file = "mini_installer_exe_version.rc.version"
   output = "$root_out_dir/mini_installer_exe_version.rc"
 }
 
 source_set("unit_tests") {
   testonly = true
 
   sources = [
     "configuration_test.cc",
     "decompress_test.cc",
@@ skipping 222 matching lines @@
     args = [
       "--out",
       "$target_name.exe",
     ]
     deps = [
       ":mini_installer",
       "//chrome/installer/test:alternate_version_generator",
     ]
   }
 }