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

chrome/browser/chromeos/input_method/input_method_descriptor.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/input_method/input_method_descriptor.h"
 
 #include <sstream>
 
 #include "base/logging.h"
-#include "base/string_split.h"
+#include "base/strings/string_split.h"
 
 namespace chromeos {
 namespace input_method {
 
 namespace {
 const char kFallbackLayout[] = "us";
 }  // namespace
 
 InputMethodDescriptor::InputMethodDescriptor(const std::string& id,
                                              const std::string& name,
@@ skipping 38 matching lines @@
   stream << "id=" << id()
          << ", name=" << name()
          << ", keyboard_layout=" << keyboard_layout()
          << ", language_code=" << language_code()
          << ", third_party=" << third_party();
   return stream.str();
 }
 
 }  // namespace input_method
 }  // namespace chromeos