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

chrome/browser/chromeos/system_logs/lsb_release_log_source.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/browser/chromeos/system_logs/lsb_release_log_source.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
-#include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/strings/string_split.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace {
 
 const char kInvalidLogEntry[] = "<invalid characters in log entry>";
 const char kEmptyLogEntry[] = "<no value>";
 
 typedef std::pair<std::string, std::string> KeyValuePair;
@@ skipping 47 matching lines @@
 
     if (value.empty())
       (*response)[key] = kEmptyLogEntry;
     else
       (*response)[key] = value;
   }
 }
 
 }  // namespace chromeos