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

sync/protocol/session_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 sessions.
-
-// 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 "sync_enums.proto";
-
-message SessionSpecifics {
-  // Unique id for the client.
-  optional string session_tag = 1;
-  optional SessionHeader header = 2;
-  optional SessionTab tab = 3;
-
-  // The local tab id used by sync. Unique across all nodes for that client.
-  optional int32 tab_node_id = 4 [default = -1];
-}
-
-// Properties of session sync objects.
-message SessionHeader {
-  // Each session is composed of windows.
-  repeated SessionWindow window = 2;
-  // A non-unique but human-readable name to describe this client.
-  optional string client_name = 3;
-  // The type of device.
-  optional SyncEnums.DeviceType device_type = 4;
-}
-
-message SessionWindow {
-  // Unique (to the owner) id for this window.
-  optional int32 window_id = 1;
-  // Index of the selected tab in tabs; -1 if no tab is selected.
-  optional int32 selected_tab_index = 2 [default = -1];
-  // Type of the browser. Currently we only store browsers of type
-  // TYPE_TABBED and TYPE_POPUP.
-  enum BrowserType {
-    TYPE_TABBED = 1;
-    TYPE_POPUP = 2;
-  }
-  optional BrowserType browser_type = 3 [default = TYPE_TABBED];
-  // The tabs that compose a window (correspond to tab id's).
-  repeated int32 tab = 4;
-}
-
-message SessionTab {
-  // Unique (to the owner) id for this tab.
-  optional int32 tab_id = 1;
-  // The unique id for the window this tab belongs to.
-  optional int32 window_id = 2;
-  // Visual index of the tab within its window. There may be gaps in these
-  // values.
-  optional int32 tab_visual_index = 3 [default = -1];
-  // Identifies the index of the current navigation in navigations. For
-  // example, if this is 2 it means the current navigation is navigations[2].
-  optional int32 current_navigation_index = 4 [default = -1];
-  // True if the tab is pinned.
-  optional bool pinned = 5 [default = false];
-  // If non-empty, this tab is an app tab and this is the id of the extension.
-  optional string extension_app_id = 6;
-  // Tabs are navigated, and the navigation data is here.
-  repeated TabNavigation navigation = 7;
-
-  // Fields 8 through 11 are deprecated.
-  // The favicon for the current url the tab is displaying. Either empty
-  // or a valid PNG encoded favicon.
-  optional bytes favicon = 8;
-  // The type of favicon. For now only normal web favicons are supported.
-  enum FaviconType {
-    TYPE_WEB_FAVICON = 1;
-  }
-  optional FaviconType favicon_type = 9;
-  // The url of the actual favicon (as opposed to the page using the favicon).
-  optional string favicon_source = 11;
-  // Ids of the currently assigned variations which should be sent to sync.
-  repeated uint64 variation_id = 12;
-}
-
-message TabNavigation {
-  // The index in the NavigationController. If this is -1, it means this
-  // TabNavigation is bogus.
-  // optional int32 index = 1 [default = -1];  // obsolete.
-  // The virtual URL, when nonempty, will override the actual URL of the page
-  // when we display it to the user.
-  optional string virtual_url = 2;
-  // The referring URL, which can be empty.
-  optional string referrer = 3;
-  // The title of the page.
-  optional string title = 4;
-  // Content state is an opaque blob created by WebKit that represents the
-  // state of the page. This includes form entries and scroll position for each
-  // frame.
-  // optional string state = 5;  // obsolete.
-  // The core transition type.
-  optional SyncEnums.PageTransition page_transition = 6 [default = TYPED];
-  // If this transition was triggered by a redirect, the redirect type.
-  optional SyncEnums.PageTransitionRedirectType redirect_type = 7;
-  // The unique navigation id (within this client).
-  optional int32 unique_id = 8;
-  // Timestamp for when this navigation last occurred (in client time).
-  // If the user goes back/foward in history the timestamp may refresh.
-  optional int64 timestamp_msec = 9;
-  // User used the Forward or Back button to navigate among browsing history.
-  optional bool navigation_forward_back = 10;
-  // User used the address bar to trigger this navigation.
-  optional bool navigation_from_address_bar = 11;
-  // User is navigating to the home page.
-  optional bool navigation_home_page = 12;
-  // The beginning of a navigation chain.
-  optional bool navigation_chain_start = 13;
-  // The last transition in a redirect chain.
-  optional bool navigation_chain_end = 14;
-  // The id for this navigation, which is globally unique with high
-  // probability.
-  optional int64 global_id = 15;
-  // Search terms extracted from the URL.
-  optional string search_terms = 16;
-  // The favicon url associated with this page.
-  optional string favicon_url = 17;
-  enum BlockedState {
-    STATE_ALLOWED = 1;
-    STATE_BLOCKED = 2;
-  }
-  // Whether access to the URL was allowed or blocked.
-  optional BlockedState blocked_state = 18 [default=STATE_ALLOWED];
-  // A list of category identifiers for the URL.
-  repeated string content_pack_categories = 19;
-  // The status code from the last navigation.
-  optional int32 http_status_code = 20;
-
-  // Referrer policy. Old, broken value.
-  optional int32 obsolete_referrer_policy = 21 [default = 1];
-  // True if created from restored navigation entry that hasn't been loaded.
-  optional bool is_restored = 22;
-  // The chain of redirections for this navigation, from the original URL
-  // through the last URL that redirected.
-  repeated NavigationRedirect navigation_redirect = 23;
-  // Normally not present.
-  // The last URL traversed when different from the virtual_url.
-  optional string last_navigation_redirect_url = 24;
-  // Correct referrer policy. Valid enums are defined in
-  // third_party/WebKit/public/platform/WebReferrerPolicy.h.
-  optional int32 correct_referrer_policy = 25 [default = 1];
-}
-
-// Navigation information for a single redirection within a single navigation.
-message NavigationRedirect {
-  // A URL that redirected while navigating to the virtual_url.
-  optional string url = 1;
-}