[Sync] Create new top-level sync/ directory

chrome/browser/sync/protocol/search_engine_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 custom search engines.
-
-// 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;
-
-// Properties of custom search engine sync objects.
-message SearchEngineSpecifics {
-  // The description of the search engine.
-  optional string short_name = 1;
-  // The search engine keyword for omnibox access.
-  optional string keyword = 2;
-  // A URL to the favicon to show in the search engines options page.
-  optional string favicon_url = 3;
-  // The actual parameterized search engine query URL.
-  optional string url = 4;
-  // A flag signifying whether it is safe to automatically modify this search
-  // engine entry or not.
-  optional bool safe_for_autoreplace = 5;
-  // The URL to the OSD file this search engine entry came from.
-  optional string originating_url = 6;
-  // The date this search engine entry was created. A UTC timestamp with units
-  // in microseconds.
-  optional int64 date_created = 7;
-  // A list of supported input encodings.
-  optional string input_encodings = 8;
-  // Whether this entry is shown in the list of default search engines or not.
-  optional bool show_in_default_list = 9;
-  // The parameterized URL that provides suggestions as the user types.
-  optional string suggestions_url = 10;
-  // The ID associated with the prepopulate data this search engine comes from.
-  // Set to zero if it was not prepopulated.
-  optional int32 prepopulate_id = 11;
-  // Whether to autogenerate a keyword for the search engine or not.
-  optional bool autogenerate_keyword = 12;
-  // ID 13 reserved - previously used by |logo_id|, now deprecated.
-  // Obsolete field. This used to represent whether or not this search engine
-  // entry was created automatically by an administrator via group policy. This
-  // notion no longer exists amongst synced search engines as we do not want to
-  // sync managed search engines.
-  // optional bool deprecated_created_by_policy = 14;
-  // The parameterized URL that is used for Instant results.
-  optional string instant_url = 15;
-  // ID 16 reserved - previously used by |id|, now deprecated.
-  // The last time this entry was modified by a user. A UTC timestamp with units
-  // in microseconds.
-  optional int64 last_modified = 17;
-  // The primary identifier of this search engine entry for Sync.
-  optional string sync_guid = 18;
-}
-