Remove app_installer code.

chrome/app_installer/win/app_installer_util.h

-// 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.
-
-#ifndef CHROME_APP_INSTALLER_WIN_APP_INSTALLER_UTIL_H_
-#define CHROME_APP_INSTALLER_WIN_APP_INSTALLER_UTIL_H_
-
-#include <map>
-#include <string>
-
-#include "base/files/file_path.h"
-
-namespace app_installer {
-
-extern const char kInstallChromeApp[];
-
-enum ExitCode {
-  SUCCESS = 0,
-  COULD_NOT_GET_FILE_PATH,
-  COULD_NOT_READ_TAG,
-  COULD_NOT_PARSE_TAG,
-  INVALID_APP_ID,
-  COULD_NOT_FETCH_INLINE_INSTALL_DATA,
-  COULD_NOT_PARSE_INLINE_INSTALL_DATA,
-  EULA_CANCELLED,
-  COULD_NOT_FIND_CHROME,
-  COULD_NOT_GET_TMP_FILE_PATH,
-  FAILED_TO_DOWNLOAD_CHROME_SETUP,
-  FAILED_TO_LAUNCH_CHROME_SETUP,
-};
-
-// Gets the tag attached to a file by dl.google.com. This uses the same format
-// as Omaha. Returns the empty string on failure.
-std::string GetTag(const base::FilePath& file_name_path);
-
-// Parses |tag| as key-value pairs and overwrites |parsed_pairs| with
-// the result. |tag| should be a '&'-delimited list of '='-separated
-// key-value pairs, e.g. "key1=value1&key2=value2".
-// Returns true if the data could be parsed.
-bool ParseTag(const std::string& tag,
-              std::map<std::string, std::string>* parsed_pairs);
-
-bool IsValidAppId(const std::string& app_id);
-
-// Uses WinHTTP to make a GET request. |server_port| can be zero to use the
-// default port (80 or 443).
-bool FetchUrl(const base::string16& user_agent,
-              const base::string16& server_name,
-              uint16_t server_port,
-              const base::string16& object_name,
-              std::vector<uint8_t>* response_data);
-
-// Shows UI to download and install Chrome. Returns a failure code, or SUCCESS
-// if the installation completed successfully.
-ExitCode GetChrome(bool is_canary, const std::string& inline_install_json);
-
-}  // namespace app_installer
-
-#endif  // CHROME_APP_INSTALLER_WIN_APP_INSTALLER_UTIL_H_