[Sync] Move //sync to //components/sync.

sync/protocol/nigori_specifics.proto

-// 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.
-//
-// Sync protocol datatype extension for nigori keys.
-
-// Update proto_value_conversions{.h,.cc,_unittest.cc} if you change
-// any fields in this file.
-
-syntax = "proto2";
-
-option optimize_for = LITE_RUNTIME;
-option retain_unknown_fields = true;
-
-package sync_pb;
-
-import "encryption.proto";
-
-message NigoriKey {
-  optional string name = 1;
-  optional bytes user_key = 2;
-  optional bytes encryption_key = 3;
-  optional bytes mac_key = 4;
-}
-
-message NigoriKeyBag {
-  repeated NigoriKey key = 2;
-}
-
-// Properties of nigori sync object.
-message NigoriSpecifics {
-  optional EncryptedData encryption_keybag = 1;
-  // Once keystore migration is performed, we have to freeze the keybag so that
-  // older clients (that don't support keystore encryption) do not attempt to
-  // update the keybag.
-  // Previously |using_explicit_passphrase|.
-  optional bool keybag_is_frozen = 2;
-
-  // Obsolete encryption fields. These were deprecated due to legacy versions
-  // that understand their usage but did not perform encryption properly.
-  // optional bool deprecated_encrypt_bookmarks = 3;
-  // optional bool deprecated_encrypt_preferences = 4;
-  // optional bool deprecated_encrypt_autofill_profile = 5;
-  // optional bool deprecated_encrypt_autofill = 6;
-  // optional bool deprecated_encrypt_themes = 7;
-  // optional bool deprecated_encrypt_typed_urls = 8;
-  // optional bool deprecated_encrypt_extensions = 9;
-  // optional bool deprecated_encrypt_sessions = 10;
-  // optional bool deprecated_encrypt_apps = 11;
-  // optional bool deprecated_encrypt_search_engines = 12;
-
-  // Booleans corresponding to whether a datatype should be encrypted.
-  // Passwords are always encrypted, so we don't need a field here.
-  // History delete directives need to be consumable by the server, and
-  // thus can't be encrypted.
-  // Synced Notifications need to be consumed by the server (the read flag)
-  // and thus can't be encrypted.
-  // Synced Notification App Info is set by the server, and thus cannot be
-  // encrypted.
-  optional bool encrypt_bookmarks = 13;
-  optional bool encrypt_preferences = 14;
-  optional bool encrypt_autofill_profile = 15;
-  optional bool encrypt_autofill = 16;
-  optional bool encrypt_themes = 17;
-  optional bool encrypt_typed_urls = 18;
-  optional bool encrypt_extensions = 19;
-  optional bool encrypt_sessions = 20;
-  optional bool encrypt_apps = 21;
-  optional bool encrypt_search_engines = 22;
-
-  // Deprecated on clients where tab sync is enabled by default.
-  // optional bool sync_tabs = 23;
-
-  // If true, all current and future datatypes will be encrypted.
-  optional bool encrypt_everything = 24;
-
-  optional bool encrypt_extension_settings = 25;
-  optional bool encrypt_app_notifications = 26;
-  optional bool encrypt_app_settings = 27;
-
-  // User device information. Contains information about each device that has a
-  // sync-enabled Chrome browser connected to the user account.
-  // This has been moved to the DeviceInfo message.
-  // repeated DeviceInformation deprecated_device_information = 28;
-
-  // Enable syncing favicons as part of tab sync.
-  optional bool sync_tab_favicons = 29;
-
-  // The state of the passphrase required to decrypt |encryption_keybag|.
-  enum PassphraseType {
-    // Gaia-based encryption passphrase. Deprecated.
-    IMPLICIT_PASSPHRASE = 1;
-    // Keystore key encryption passphrase. Uses |keystore_bootstrap| to
-    // decrypt |encryption_keybag|.
-    KEYSTORE_PASSPHRASE = 2;
-    // Previous Gaia-based passphrase frozen and treated as a custom passphrase.
-    FROZEN_IMPLICIT_PASSPHRASE  = 3;
-    // User provided custom passphrase.
-    CUSTOM_PASSPHRASE = 4;
-  }
-  optional PassphraseType passphrase_type = 30
-      [default = IMPLICIT_PASSPHRASE];
-
-  // The keystore decryptor token blob. Encrypted with the keystore key, and
-  // contains the encryption key used to decrypt |encryption_keybag|.
-  // Only set if passphrase_state == KEYSTORE_PASSPHRASE.
-  optional EncryptedData keystore_decryptor_token = 31;
-
-  // The time (in epoch milliseconds) at which the keystore migration was
-  // performed.
-  optional int64 keystore_migration_time = 32;
-
-  // The time (in epoch milliseconds) at which a custom passphrase was set.
-  // Note: this field may not be set if the custom passphrase was applied before
-  // this field was introduced.
-  optional int64 custom_passphrase_time = 33;
-
-  // Boolean corresponding to whether custom spelling dictionary should be
-  // encrypted.
-  optional bool encrypt_dictionary = 34;
-
-  // Boolean corresponding to Whether to encrypt favicons data or not.
-  optional bool encrypt_favicon_images = 35;
-  optional bool encrypt_favicon_tracking = 36;
-
-  // Boolean corresponding to whether articles should be encrypted.
-  optional bool encrypt_articles = 37;
-
-  // Boolean corresponding to whether app list items should be encrypted.
-  optional bool encrypt_app_list = 38;
-
-  // Boolean corresponding to whether usage count and last use date of Wallet
-  // data should be encrypted.
-  optional bool encrypt_autofill_wallet_metadata = 39;
-
-  // Boolean indicating whether this node was originally missing a
-  // |keystore_migration_time| field value, and was fixed on the server by
-  // giving the field a value.
-  // THIS FIELD SHOULD ONLY BE SET BY THE SERVER.
-  optional bool server_only_was_missing_keystore_migration_time = 40;
-
-  // Boolean corresponding to whether arc pakcage items should be encrypted.
-  optional bool encrypt_arc_package = 41;
-}
-