Add specific headless_shell_win.cc and headless_content_main_delegate_win.cc

headless/app/headless_shell_win.cc

+// Copyright 2017 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 <memory>

[Sami, 2017/05/17 13:11:05]

Do you need all these includes?

+#include <sstream>
+#include <string>
+#include <utility>
+
+#include "headless/app/headless_shell.h"
+#include "headless/app/headless_shell_switches.h"
+#include "headless/public/headless_browser.h"
+
+namespace headless {
+
+#if defined(CHROME_MULTIPLE_DLL_CHILD)
+void HeadlessShell::OnStart(HeadlessBrowser* browser) {}
+
+void HeadlessShell::Shutdown() {}
+
+void HeadlessShell::DevToolsTargetReady() {}
+#endif  // defined(CHROME_MULTIPLE_DLL_CHILD)
+
+}  // namespace headless