Start of build config for custom user32 import libs.

chrome/app/delay_load_hook.h

Index: chrome/app/delay_load_hook.h
diff --git a/chrome/app/delay_load_hook.h b/chrome/app/delay_load_hook.h
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index 0000000000000000000000000000000000000000..3bce514b75ef0707056d293acff1918a8845c8bb
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+++ b/chrome/app/delay_load_hook.h
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+// Copyright (c) 2013 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.
+
+#ifndef CHROME_APP_DELAY_LOAD_HOOK_H_
+#define CHROME_APP_DELAY_LOAD_HOOK_H_
+
+#include <windows.h>
+
+// Fowd.
+struct DelayLoadInfo;
+
+// In release builds, the delay load hook redirects import entries to DLLs
+// named "FOO-delay.dll" to "FOO.dll".
+FARPROC WINAPI ChromeDelayLoadHook(unsigned reason, DelayLoadInfo* info);
+
+#endif  // CHROME_APP_DELAY_LOAD_HOOK_H_