Use UtilityProcessHost to patch files.

chrome/browser/component_updater/component_patcher_win.h

Index: chrome/browser/component_updater/component_patcher_win.h
diff --git a/chrome/browser/component_updater/component_patcher_win.h b/chrome/browser/component_updater/component_patcher_win.h
deleted file mode 100644
index 5301cb5cdb3af8bf16470c6ae06758091ba9781b..0000000000000000000000000000000000000000
--- a/chrome/browser/component_updater/component_patcher_win.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2014 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_BROWSER_COMPONENT_UPDATER_COMPONENT_PATCHER_WIN_H_
-#define CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_PATCHER_WIN_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/component_updater/component_patcher.h"
-
-namespace component_updater {
-
-class ComponentPatcherWin : public ComponentPatcher {
- public:
-  ComponentPatcherWin() {}
-  virtual ComponentUnpacker::Error Patch(PatchType patch_type,
-                                         const base::FilePath& input_file,
-                                         const base::FilePath& patch_file,
-                                         const base::FilePath& output_file,
-                                         int* error) OVERRIDE;
- private:
-  DISALLOW_COPY_AND_ASSIGN(ComponentPatcherWin);
-};
-
-}  // namespace component_updater
-
-#endif  // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_PATCHER_WIN_H_