Implementing app command to query EULA acceptance state for Chrome.

chrome/installer/setup/install_worker.h

 // Copyright (c) 2012 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 the declarations of the installer functions that build
 // the WorkItemList used to install the application.
 
 #ifndef CHROME_INSTALLER_SETUP_INSTALL_WORKER_H_
 #define CHROME_INSTALLER_SETUP_INSTALL_WORKER_H_
 
@@ skipping 197 matching lines @@
 // Adds work items to add or remove the "on-os-upgrade" command to |product|'s
 // version key on the basis of the current operation (represented in
 // |installer_state|).  |new_version| is the version of the product(s)
 // currently being installed -- can be empty on uninstall.
 void AddOsUpgradeWorkItems(const InstallerState& installer_state,
                            const FilePath& setup_path,
                            const Version& new_version,
                            const Product& product,
                            WorkItemList* install_list);
 
+// Adds work items to add or remove the "query-eula-acceptance" command to
+// |product|'s version key on the basis of the current operation (represented
+// in |installer_state|).
+void AddQueryEULAAcceptanceWorkItems(const InstallerState& installer_state,
+                                     const Product& product,
+                                     WorkItemList* work_item_list);
+
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_SETUP_INSTALL_WORKER_H_