Adds a new checkbox for backup and restore in opt-in flow.

chrome/common/pref_names.cc

 // 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.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
 
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
 
 #if defined(OS_CHROMEOS) && defined(ENABLE_APP_LIST)
 // A preference to keep list of Android apps and their state.
 const char kArcApps[] = "arc.apps";
+// A preference to store backup and restore state for Android apps.
+const char kArcBackupRestoreEnabled[] = "arc.backup_restore.enabled";
 // A preference to keep Android apps enabled state.
 const char kArcEnabled[] = "arc.enabled";
 // A preference to keep list of Android packages and their infomation.
 const char kArcPackages[] = "arc.packages";
 // A preference to keep deferred requests of setting notifications enabled flag.
 const char kArcSetNotificationsEnabledDeferred[] =
     "arc.set_notifications_enabled_deferred";
 // A preference that indicates status of Android sign-in.
 const char kArcSignedIn[] = "arc.signedin";
 #endif
@@ skipping 2226 matching lines @@
 #endif
 
 // The base64-encoded representation of the public key to use to validate origin
 // trial token signatures.
 const char kOriginTrialPublicKey[] = "origin_trials.public_key";
 
 // A list of origin trial features to disable by policy.
 const char kOriginTrialDisabledFeatures[] = "origin_trials.disabled_features";
 
 }  // namespace prefs