Use chrome::kChromeVersion in installer::GetModulePath().

chrome/installer/util/module_util_win.cc

-// Copyright (c) 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.
-
-#include "chrome/installer/util/module_util_win.h"
-
-#include <memory>
-
-#include "base/base_paths.h"
-#include "base/file_version_info.h"
-#include "base/files/file.h"
-#include "base/logging.h"
-#include "base/path_service.h"
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/version.h"
-#include "base/win/current_module.h"
-
-namespace installer {
-
-namespace {
-
-// Returns the version in the current executable's version resource.
-base::string16 GetCurrentExecutableVersion() {
-  std::unique_ptr<FileVersionInfo> file_version_info(
-      FileVersionInfo::CreateFileVersionInfoForModule(CURRENT_MODULE()));
-  DCHECK(file_version_info.get());
-  base::string16 version_string(file_version_info->file_version());
-  DCHECK(base::Version(base::UTF16ToASCII(version_string)).IsValid());
-  return version_string;
-}
-
-// Indicates whether a file can be opened using the same flags that
-// ::LoadLibrary() uses to open modules.
-bool ModuleCanBeRead(const base::FilePath file_path) {
-  return base::File(file_path, base::File::FLAG_OPEN | base::File::FLAG_READ)
-      .IsValid();
-}
-
-}  // namespace
-
-base::FilePath GetModulePath(base::StringPiece16 module_name) {
-  base::FilePath exe_dir;
-  const bool has_path = base::PathService::Get(base::DIR_EXE, &exe_dir);
-  DCHECK(has_path);
-
-  // Look for the module in the current executable's directory and return the
-  // path if it can be read. This is the expected location of modules for dev
-  // builds.
-  const base::FilePath module_path = exe_dir.Append(module_name);
-  if (ModuleCanBeRead(module_path))
-    return module_path;
-
-  // Othwerwise, return the path to the module in a versioned sub-directory of
-  // the current executable's directory. This is the expected location of
-  // modules for proper installs.
-  const base::string16 version = GetCurrentExecutableVersion();
-  DCHECK(!version.empty());
-  return exe_dir.Append(version).Append(module_name);
-}
-
-}  // namespace installer