[chrome_elf] Big ELF cleanup. 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_