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

chrome/browser/themes/theme_properties.cc

 // Copyright (c) 2013 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/themes/theme_properties.h"
 
 #include "base/memory/scoped_ptr.h"
-#include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/strings/string_split.h"
 #include "chrome/browser/themes/browser_theme_pack.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_resources.h"
 
 namespace {
 
 // ----------------------------------------------------------------------------
 // Defaults for properties which are stored in the browser theme pack. If you
 // change these defaults, you must increment the version number in
 // browser_theme_pack.h
@@ skipping 290 matching lines @@
     case NTP_BACKGROUND_TILING:
       *result = kDefaultDisplayPropertyNTPTiling;
       return true;
     case NTP_LOGO_ALTERNATE:
       *result = kDefaultDisplayPropertyNTPInverseLogo;
       return true;
   }
 
   return false;
 }