chrome: Update include paths of string_split.h to its new location.

chrome/installer/util/google_update_util.cc

 // Copyright (c) 2012 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_util.h"
 
 #include <algorithm>
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/process_util.h"
 #include "base/string16.h"
-#include "base/string_split.h"
+#include "base/strings/string_split.h"
 #include "base/time.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_handle.h"
 #include "chrome/installer/launcher_support/chrome_launcher_support.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/google_update_settings.h"
 
 using base::win::RegKey;
 
 namespace google_update {
@@ skipping 184 matching lines @@
     std::map<std::string, std::string>::const_iterator data_it(
         untrusted_data.find(key));
     if (data_it != untrusted_data.end())
       return data_it->second;
   }
 
   return std::string();
 }
 
 }  // namespace google_update