Simplify VersionInfo code, avoid hitting sandbox IPC constantly on Windows

chrome/common/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("//tools/grit/grit_rule.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("../chrome_common.gypi") ],
     "scope",
@@ skipping 223 matching lines @@
     defines += [ "MOBILE_SAFE_BROWSING" ]
   }
 }
 
 if (is_linux || is_android) {
   # TODO(brettw) this duplicates "//chrome/common:version" which applies to
   # Windows.
   import("//chrome/version.gni")
   process_version("version") {
     visibility = [ ":common" ]
-    source = "chrome_version_info_posix.h.version"
-    output = "$target_gen_dir/chrome_version_info_posix.h"
-  }
-} else {
-  # Other platforms have a different way to do versioning.
-  group("version") {
+    source = "chrome_version_info_values.h.version"
+    output = "$target_gen_dir/chrome_version_info_values.h"
   }
 }
 
 # GN version: chrome/common_constants.gyp:common_constants
 static_library("constants") {
   sources = [
     "chrome_constants.cc",
     "chrome_constants.h",
     "chrome_icon_resources_win.cc",
     "chrome_icon_resources_win.h",
@@ skipping 50 matching lines @@
   if (is_win || is_mac) {
     sources += [
       "media_galleries/picasa_test_util.cc",
       "media_galleries/picasa_test_util.h",
       "media_galleries/pmp_test_util.cc",
       "media_galleries/pmp_test_util.h",
     ]
   }
 
 }