Revert of [chrome_elf] Big cleanup and removing dependencies that recently crept in. Part 1.

chrome_elf/crash/crash_helper.h

-// Copyright 2016 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_ELF_CRASH_CRASH_HELPER_H_
-#define CHROME_ELF_CRASH_CRASH_HELPER_H_
-
-#include <windows.h>
-
-// Keep all crash-related APIs here.  All other chrome_elf code should call here
-// for crash support.
-namespace elf_crash {
-
-// Init the crash handling system for entire process.
-bool InitializeCrashReporting();
-
-// Any late cleanup of the crash handling system.
-void ShutdownCrashReporting();
-
-// Permanently disables subsequent calls to
-// kernel32!SetUnhandledExceptionFilter(), see comment in .cc for why this is
-// needed.
-void DisableSetUnhandledExceptionFilter();
-
-// Exception handler for exceptions in chrome_elf which need to be passed on to
-// the next handler in the chain. Examples include exceptions in DllMain,
-// blacklist interception code, etc.
-// Note: the handler takes a minidump.
-int GenerateCrashDump(EXCEPTION_POINTERS* exception_pointers);
-}
-
-#endif  // CHROME_ELF_CRASH_CRASH_HELPER_H_