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

chrome/common/child_process_logging_mac.mm

 // 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/common/child_process_logging.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/command_line.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"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/metrics/variations/variations_util.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "content/public/common/gpu_info.h"
 #include "googleurl/src/gurl.h"
 
 namespace child_process_logging {
 
 using base::debug::SetCrashKeyValueFuncT;
@@ skipping 208 matching lines @@
                    base::StringPrintf("%zu", experiments.size()));
 }
 
 void SetChannel(const std::string& channel) {
   // This should match the corresponding string in breakpad_win.cc.
   const std::string kChannelKey = "channel";
   SetCrashKeyValue(kChannelKey, channel);
 }
 
 }  // namespace child_process_logging