Cleanup: Remove unneeded headers from base/ (part 1)

chrome/browser/google_update_settings_posix.cc

 // Copyright (c) 2009 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/google_update_settings.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/path_service.h"
-#include "base/rand_util.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 
 namespace google_update {
 std::string posix_guid;
 }
 
 // File name used in the user data dir to indicate consent.
 static const char kConsentToSendStats[] = "Consent To Send Stats";
@@ skipping 54 matching lines @@
 
 // static
 int GoogleUpdateSettings::GetLastRunTime() {
   return -1;
 }
 
 // static
 bool GoogleUpdateSettings::SetLastRunTime() {
   return false;
 }