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

chrome/renderer/automation/automation_renderer_helper.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/renderer/automation/automation_renderer_helper.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/json/json_writer.h"
 #include "base/stringprintf.h"
-#include "base/string_split.h"
+#include "base/strings/string_split.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/automation_events.h"
 #include "chrome/common/automation_messages.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/v8_value_converter.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
@@ skipping 258 matching lines @@
       routing_id(), frame->identifier()));
 }
 
 void AutomationRendererHelper::OnProcessMouseEvent(
     const AutomationMouseEvent& event) {
   std::string error_msg;
   bool success = ProcessMouseEvent(event, &error_msg);
   Send(new AutomationMsg_ProcessMouseEventACK(
       routing_id(), success, error_msg));
 }