[Sync] Remove special cased sessions default commit

components/sync/engine_impl/syncer_proto_util.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.
 
 #include "components/sync/engine_impl/syncer_proto_util.h"
 
 #include <map>
 
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
@@ skipping 407 matching lines @@
 
     if (command.has_set_sync_poll_interval()) {
       cycle->delegate()->OnReceivedShortPollIntervalUpdate(
           base::TimeDelta::FromSeconds(command.set_sync_poll_interval()));
     }
 
     if (command.has_sessions_commit_delay_seconds()) {
       std::map<ModelType, base::TimeDelta> delay_map;
       delay_map[SESSIONS] =
           base::TimeDelta::FromSeconds(command.sessions_commit_delay_seconds());
+      delay_map[FAVICON_TRACKING] =
+          base::TimeDelta::FromSeconds(command.sessions_commit_delay_seconds());
+      delay_map[FAVICON_IMAGES] =
+          base::TimeDelta::FromSeconds(command.sessions_commit_delay_seconds());
       cycle->delegate()->OnReceivedCustomNudgeDelays(delay_map);
     }
 
     if (command.has_client_invalidation_hint_buffer_size()) {
       cycle->delegate()->OnReceivedClientInvalidationHintBufferSize(
           command.client_invalidation_hint_buffer_size());
     }
 
     if (command.has_gu_retry_delay_seconds()) {
       cycle->delegate()->OnReceivedGuRetryDelay(
@@ skipping 154 matching lines @@
 std::string SyncerProtoUtil::ClientToServerResponseDebugString(
     const ClientToServerResponse& response) {
   // Add more handlers as needed.
   std::string output;
   if (response.has_get_updates())
     output.append(GetUpdatesResponseString(response.get_updates()));
   return output;
 }
 
 }  // namespace syncer