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

chrome/test/base/chrome_process_util_mac.cc

 // Copyright (c) 2011 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/test/base/chrome_process_util.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/process_util.h"
-#include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_split.h"
 
 MacChromeProcessInfoList GetRunningMacProcessInfo(
     const ChromeProcessList& process_list) {
   MacChromeProcessInfoList result;
 
   // Build up the ps command line
   std::vector<std::string> cmdline;
   cmdline.push_back("ps");
   cmdline.push_back("-o");
   cmdline.push_back("pid=,rss=,vsz=");  // fields we need, no headings
@@ skipping 74 matching lines @@
   GetMemoryValuesHack(process_handle_, &virtual_size, &working_set_size);
   return virtual_size;
 }
 
 size_t ChromeTestProcessMetrics::GetWorkingSetSize() {
   size_t virtual_size;
   size_t working_set_size;
   GetMemoryValuesHack(process_handle_, &virtual_size, &working_set_size);
   return working_set_size;
 }