Revert of Windows install_static refactor.

chrome/install_static/BUILD.gn

 # Copyright 2016 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/chrome_build.gni")
 import("//testing/test.gni")
 
 assert(is_win)
 
 # This file only contains utility functions which must only depend on kernel32.
 # Please don't add dependencies on other system libraries.
 static_library("install_static_util") {
-  deps = [
-    "//components/version_info:generate_version_info",
-  ]
-
   public_deps = [
     "//chrome_elf:nt_registry",
   ]
 
   sources = [
-    "install_constants.h",
-    "install_details.cc",
-    "install_details.h",
-    "install_modes.cc",
-    "install_modes.h",
     "install_util.cc",
     "install_util.h",
-    "product_install_details.cc",
-    "product_install_details.h",
   ]
 
-  if (is_chrome_branded) {
-    sources += [
-      "google_chrome_install_modes.cc",
-      "google_chrome_install_modes.h",
-    ]
-  } else {
-    sources += [
-      "chromium_install_modes.cc",
-      "chromium_install_modes.h",
-    ]
-  }
-
   libs = [ "kernel32.lib" ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }
 
 test("install_static_unittests") {
   output_name = "install_static_unittests"
   sources = [
-    "install_details_unittest.cc",
-    "install_modes_unittest.cc",
     "install_util_unittest.cc",
-    "product_install_details_unittest.cc",
   ]
   include_dirs = [ "$target_gen_dir" ]
   deps = [
     "//base",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//chrome/install_static:install_static_util",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }