Revert of Makes the component installers return a Result instead of a bool.

components/update_client/utils.cc

 // 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.
 
 #include "components/update_client/utils.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <cmath>
 #include <cstring>
 #include <vector>
 
-#include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/guid.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "base/win/windows_version.h"
 #include "build/build_config.h"
 #include "components/crx_file/id_util.h"
 #include "components/update_client/configurator.h"
 #include "components/update_client/crx_update_item.h"
 #include "components/update_client/update_client.h"
-#include "components/update_client/update_client_errors.h"
 #include "components/update_client/update_query_params.h"
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
 
 namespace update_client {
@@ skipping 263 matching lines @@
 }
 
 void RemoveUnsecureUrls(std::vector<GURL>* urls) {
   DCHECK(urls);
   urls->erase(std::remove_if(
                   urls->begin(), urls->end(),
                   [](const GURL& url) { return !url.SchemeIsCryptographic(); }),
               urls->end());
 }
 
-CrxInstaller::Result InstallFunctionWrapper(base::Callback<bool()> callback) {
-  return CrxInstaller::Result(callback.Run() ? InstallError::NONE
-                                             : InstallError::GENERIC_ERROR);
-}
-
 }  // namespace update_client