Refresh sync.proto.

chrome/browser/sync/protocol/sync.proto

 // Copyright (c) 2009 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 for communication between sync client and server.
 
 syntax = "proto2";
 
 // TODO(akalin): Re-enable this once LITE_RUNTIME supports preserving
 // unknown fields.
@@ skipping 214 matching lines @@
   // May be present in CommitMessages for the initial creation of an entity.
   // If present in Commit updates for the entity, it will be ignored.
   //
   // Available in version 24+.
   //
   // May be returned in GetUpdatesMessage and sent up in CommitMessage.
   //
   optional string client_defined_unique_tag = 23;
 };
 
+// This message contains diagnostic information used to correlate
+// commit-related traffic with extensions-related mutations to the
+// data models in chromium.  It plays no functional role in
+// processing this CommitMessage.
+message ChromiumExtensionsActivity {
+  // The human-readable ID identifying the extension responsible
+  // for the traffic reported in this ChromiumExtensionsActivity.
+  optional string extension_id = 1;
+
+  // How many times the extension successfully invoked a write
+  // operation through the bookmarks API since the last CommitMessage.
+  optional uint32 bookmark_writes_since_last_commit = 2;
+};
+
 message CommitMessage {
   repeated SyncEntity entries = 1;
 
   // A GUID that identifies the committing sync client.  This value will be
   // returned as originator_cache_guid for any new items.
   optional string cache_guid = 2;
 
-  // This message contains diagnostic information used to correlate
-  // commit-related traffic with extensions-related mutations to the
-  // data models in chromium.  It plays no functional role in
-  // processing this CommitMessage.
-  message ChromiumExtensionsActivity {
-    // The human-readable ID identifying the extension responsible
-    // for the traffic reported in this ChromiumExtensionsActivity.
-    optional string extension_id = 1;
-
-    // How many times the extension successfully invoked a write
-    // operation through the bookmarks API since the last CommitMessage.
-    optional uint32 bookmark_writes_since_last_commit = 2;
-  }
-
   repeated ChromiumExtensionsActivity extensions_activity = 3;
 };
 
 message GetUpdatesCallerInfo {
   enum GetUpdatesSource {
     UNKNOWN = 0;  // The source was not set by the caller.
     FIRST_UPDATE = 1;  // First update from an instance of Chrome.
     LOCAL = 2;  // The source of the update was a local change.
     NOTIFICATION = 3;  // The source of the update was a p2p notification.
     PERIODIC = 4;  // The source of the update was periodic polling.
@@ skipping 20 matching lines @@
   // The presence of an individual EntitySpecifics extension indicates that the
   // client requests sync object types associated with that extension.  This
   // determination depends only on the presence of the extension field, not its
   // contents -- thus clients should send empty extension messages.  For 
   // backwards compatibility only bookmark objects will be sent to the client 
   // should requested_types not be present.
   //
   // requested_types may contain multiple EntitySpecifics extensions -- in this
   // event, the server will return items of all the indicated types.
   optional EntitySpecifics requested_types = 4;
+
+  // Client-requested limit on the maximum number of updates to return at once.
+  // The server may opt to return fewer updates than this amount, but it should
+  // not return more.
+  optional int32 batch_size = 5;
 };
 
 message AuthenticateMessage {
   required string auth_token = 1;
 };
 
 enum UserDataStatus {
   SUCCESS = 0;
 
   // A transient error happened, e.g. network error.  Clear can be called again.
@@ skipping 153 matching lines @@
   // is meaningless to this server.  This happens most typically when
   // you switch from one storage backend instance (say, a test instance)
   // to another (say, the official instance).
   optional string store_birthday = 6;
 
   optional ClientCommand client_command = 7;
   optional ProfilingData profiling_data = 8;
   optional ClearUserDataResponse clear_user_data = 9;
 };