Implementing app command to query EULA acceptance state for Chrome.

chrome/installer/util/eula_util.h

Index: chrome/installer/util/eula_util.h
diff --git a/chrome/installer/util/eula_util.h b/chrome/installer/util/eula_util.h
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+// Copyright (c) 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.
+//
+// This file contains helper functions to read the Chrome EULA.
+
+#ifndef CHROME_INSTALLER_UTIL_EULA_UTIL_H_
+#define CHROME_INSTALLER_UTIL_EULA_UTIL_H_
+
+namespace installer {
+
+enum EULAAcceptanceResponse{
+  QUERY_EULA_FAIL = -1,
+  QUERY_EULA_NOT_ACCEPTED = 0,
+  QUERY_EULA_ACCEPTED = 1,
+};
+
+// Performs a comprehensive test on EULA acceptance in Chrome.
+// This is mostly intended for system-level Chrome, although it also supports
+// user-level Chrome (should return QUERY_EULA_ACCEPTED).
+EULAAcceptanceResponse IsEULAAccepted(bool system_level);
+
+}  // namespace installer
+
+#endif  // CHROME_INSTALLER_UTIL_EULA_UTIL_H_