Use a direct include of strings headers in url/, win8/.

win8/delegate_execute/delegate_execute.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 "build/intsafe_workaround.h"
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
 #include <initguid.h>
 #include <shellapi.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process_util.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/win/scoped_com_initializer.h"
 #include "base/win/scoped_handle.h"
 #include "breakpad/src/client/windows/handler/exception_handler.h"
 #include "chrome/common/chrome_switches.h"
 #include "win8/delegate_execute/command_execute_impl.h"
 #include "win8/delegate_execute/crash_server_init.h"
 #include "win8/delegate_execute/delegate_execute_operation.h"
 #include "win8/delegate_execute/resource.h"
 
 using namespace ATL;
@@ skipping 96 matching lines @@
       case DelegateExecuteOperation::RELAUNCH_CHROME:
         ret_code = RelaunchChrome(operation);
         break;
       default:
         NOTREACHED();
     }
   }
   AtlTrace("delegate_execute exit, code = %d\n", ret_code);
   return ret_code;
 }