Revert of Part two of fallback crash handler for Crashpad handler process.

components/crash/content/app/fallback_crash_handler_win.h

-// 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.
-
-#ifndef COMPONENTS_CRASH_CONTENT_APP_FALLBACK_CRASH_HANDLER_WIN_H_
-#define COMPONENTS_CRASH_CONTENT_APP_FALLBACK_CRASH_HANDLER_WIN_H_
-
-#include <windows.h>
-
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/process/process.h"
-#include "base/threading/platform_thread.h"
-
-namespace crash_reporter {
-
-// In the fallback crash handler, this invokes the system crash machinery
-// (MiniDumpWriteDump) to generate the crash report, then adds the report to
-// the Crashpad database for upload.
-class FallbackCrashHandler {
- public:
-  FallbackCrashHandler();
-  ~FallbackCrashHandler();
-
-  // Parses |cmd_line| for the following arguments:
-  // --database=<path>
-  //   Path to the Crashpad database where the minidump will be stored.
-  // --exception-pointers=<address>
-  //   Address of exception pointers in the crashed process.
-  // --process=<handle>
-  //   Handle to the process to dump.
-  // --thread=<id>
-  //   ID of the crashing thread.
-  bool ParseCommandLine(const base::CommandLine& cmd_line);
-
-  // Generates a crashdump with Crashpad properties containing:
-  // prod: |product|
-  // ver: |version|
-  // channel: |cannel|
-  // plat: "Win32" or "Win64", depending on bitness.
-  // ptype: |process_type|.
-  bool GenerateCrashDump(const std::string& product,
-                         const std::string& version,
-                         const std::string& channel,
-                         const std::string& process_type);
-
- private:
-  base::Process process_;
-  base::PlatformThreadId thread_id_;
-  // This is a pointer in process_, which is hopefully not this process.
-  uintptr_t exception_ptrs_;
-  base::FilePath database_dir_;
-
-  DISALLOW_COPY_AND_ASSIGN(FallbackCrashHandler);
-};
-
-}  // namespace crash_reporter
-
-#endif  // COMPONENTS_CRASH_CONTENT_APP_FALLBACK_CRASH_HANDLER_WIN_H_