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diff --git a/chrome/app/hard_error_handler_win.h b/chrome/app/hard_error_handler_win.h
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+// Copyright (c) 2009 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.
+
+// The routines in this file are windows-specific helper functions to deal
+// with critical errors which the user can do something about.
+
+#ifndef CHROME_APP_HARD_ERROR_HANDLER_WIN_H_
+#define CHROME_APP_HARD_ERROR_HANDLER_WIN_H_
+
+#include <windows.h>
+
+// Two exceptions can be thrown when delay-laoding DLLs:
+// - Failed to load a DLL. The common reason is because it cannot be found.
+// - Failed to bind to an entry point. Typically because the DLL is too old.
+// These exceptions cause the termination of the program, but it is desirable
+// to first inform the user the name of the module or the name of the entry
+// point so he or she can get help.
+// This function does exactly that. When an exception is captured and passed
+// to this function, it will display a message box with the relevant
+// information and return true if the exception is generated by the delay-load
+// feature or else do nothing and return false.
+bool DelayLoadFailureExceptionMessageBox(EXCEPTION_POINTERS* ex_info);
+
+// Generates a Popup dialog indicating that the entry point |entry| could
+// not be found in dll |module|. The dialog is generated by CSRSS so this
+// function can be called inside an exception handler.
+void EntryPointNotFoundHardError(const char* entry, const char* module);
+
+// Generates a Popup dialog indicating that the dll |module| could not be found.
+// The dialog is generated by CSRSS so this function can be called inside an
+// exception handler.
+void ModuleNotFoundHardError(const char* module);
+
+#endif  // CHROME_APP_HARD_ERROR_HANDLER_WIN_H_
+