Replace the WAS_INSTALLED_BY_CUSTODIAN creation flag with a pref

extensions/browser/extension_prefs.cc

 // 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.
 
 #include "extensions/browser/extension_prefs.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <iterator>
@@ skipping 104 matching lines @@
 const char kPrefIncognitoEnabled[] = "incognito";
 
 // A preference to control whether an extension is allowed to inject script in
 // pages with file URLs.
 const char kPrefAllowFileAccess[] = "newAllowFileAccess";
 // TODO(jstritar): As part of fixing http://crbug.com/91577, we revoked all
 // extension file access by renaming the pref. We should eventually clean up
 // the old flag and possibly go back to that name.
 // const char kPrefAllowFileAccessOld[] = "allowFileAccess";
 
+// A preference that is relevant only for supervised users
+// and used to flag an extension as installed by custodian.
+const char kPrefWasInstalledByCustodian[] = "wasInstalledByCustodian";
+
 // A preference specifying if the user dragged the app on the NTP.
 const char kPrefUserDraggedApp[] = "user_dragged_app_ntp";
 
 // Preferences that hold which permissions the user has granted the extension.
 // We explicitly keep track of these so that extensions can contain unknown
 // permissions, for backwards compatibility reasons, and we can still prompt
 // the user to accept them once recognized. We store the active permission
 // permissions because they may differ from those defined in the manifest.
 const char kPrefActivePermissions[] = "active_permissions";
 const char kPrefGrantedPermissions[] = "granted_permissions";
@@ skipping 899 matching lines @@
   UpdateExtensionPref(extension_id, kPrefAllowFileAccess,
                       new base::FundamentalValue(allow));
 }
 
 bool ExtensionPrefs::HasAllowFileAccessSetting(
     const std::string& extension_id) const {
   const base::DictionaryValue* ext = GetExtensionPref(extension_id);
   return ext && ext->HasKey(kPrefAllowFileAccess);
 }
 
+bool ExtensionPrefs::WasInstalledByCustodian(
+    const std::string& extension_id) const {
+  return ReadPrefAsBooleanAndReturn(extension_id, kPrefWasInstalledByCustodian);
+}
+
+void ExtensionPrefs::SetWasInstalledByCustodian(const std::string& extension_id,
+                                                bool installed_by_custodian) {
+  UpdateExtensionPref(extension_id, kPrefWasInstalledByCustodian,
+                      new base::FundamentalValue(installed_by_custodian));
+}
+
 bool ExtensionPrefs::DoesExtensionHaveState(
     const std::string& id, Extension::State check_state) const {
   const base::DictionaryValue* extension = GetExtensionPref(id);
   int state = -1;
   if (!extension || !extension->GetInteger(kPrefState, &state))
     return false;
 
   if (state < 0 || state >= Extension::NUM_STATES) {
     LOG(ERROR) << "Bad pref 'state' for extension '" << id << "'";
     return false;
@@ skipping 915 matching lines @@
   extension_pref_value_map_->RegisterExtension(
       extension_id, install_time, is_enabled, is_incognito_enabled);
 
   FOR_EACH_OBSERVER(
       ExtensionPrefsObserver,
       observer_list_,
       OnExtensionRegistered(extension_id, install_time, is_enabled));
 }
 
 }  // namespace extensions