Revert of Use UtilityProcessHost to patch files.

chrome/browser/component_updater/test/component_patcher_mock.h

+// Copyright 2013 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_TEST_COMPONENT_PATCHER_MOCK_H_
+#define CHROME_BROWSER_COMPONENT_UPDATER_TEST_COMPONENT_PATCHER_MOCK_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/component_updater/component_patcher.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace component_updater {
+
+class MockComponentPatcher : public ComponentPatcher {
+ public:
+  MockComponentPatcher() {}
+  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(MockComponentPatcher);
+};
+
+}  // namespace component_updater
+
+#endif  // CHROME_BROWSER_COMPONENT_UPDATER_TEST_COMPONENT_PATCHER_MOCK_H_