Remove one-time flags when restarting after update....

chrome/common/switch_utils.h

+// Copyright (c) 2010 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_COMMON_SWITCH_UTILS_H_
+#define CHROME_COMMON_SWITCH_UTILS_H_
+#pragma once
+
+#include <map>
+#include <string>
+
+#include "base/command_line.h"
+
+namespace switches {
+
+// Remove the keys that we shouldn't pass through during restart.
+void RemoveSwitchesForAutostart(
+    std::map<std::string, CommandLine::StringType>* switches);
+
+}  // namespace switches
+
+#endif  // CHROME_COMMON_SWITCH_UTILS_H_