sync: Add pre-commit update avoidance mode + flag

sync/protocol/proto_value_conversions.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.
 
 // Keep this file in sync with the .proto files in this directory.
 
 #include "sync/protocol/proto_value_conversions.h"
 
 #include "base/base64.h"
 #include "base/basictypes.h"
@@ skipping 334 matching lines @@
 }
 
 }
 
 base::DictionaryValue* ExperimentsSpecificsToValue(
     const sync_pb::ExperimentsSpecifics& proto) {
   base::DictionaryValue* value = new base::DictionaryValue();
   SET_EXPERIMENT_ENABLED_FIELD(keystore_encryption);
   SET_EXPERIMENT_ENABLED_FIELD(history_delete_directives);
   SET_EXPERIMENT_ENABLED_FIELD(autofill_culling);
+  SET_EXPERIMENT_ENABLED_FIELD(pre_commit_update_avoidance);
   if (proto.has_favicon_sync())
     SET(favicon_sync, FaviconSyncFlagsToValue);
   return value;
 }
 
 base::DictionaryValue* ExtensionSettingSpecificsToValue(
     const sync_pb::ExtensionSettingSpecifics& proto) {
   base::DictionaryValue* value = new base::DictionaryValue();
   SET_STR(extension_id);
   SET_STR(key);
@@ skipping 492 matching lines @@
 #undef SET_BYTES
 #undef SET_INT32
 #undef SET_INT64
 #undef SET_INT64_REP
 #undef SET_STR
 #undef SET_STR_REP
 
 #undef SET_FIELD
 
 }  // namespace syncer