[Sync] Set logging that may contain personal information to verbosity level 2.

chrome/browser/sync/engine/download_updates_command.cc

 // Copyright (c) 2006-2009 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.
 
 #include "chrome/browser/sync/engine/download_updates_command.h"
 
 #include <string>
 
 #include "chrome/browser/sync/engine/syncer.h"
 #include "chrome/browser/sync/engine/syncer_proto_util.h"
@@ skipping 56 matching lines @@
   get_updates->mutable_caller_info()->set_notifications_enabled(
       session->context()->notifications_enabled());
 
   SyncerProtoUtil::AddRequestBirthday(dir, &client_to_server_message);
 
   bool ok = SyncerProtoUtil::PostClientToServerMessage(
       client_to_server_message,
       &update_response,
       session);
 
-  VLOG(1) << SyncerProtoUtil::ClientToServerResponseDebugString(
+  VLOG(2) << SyncerProtoUtil::ClientToServerResponseDebugString(
       update_response);
 
   StatusController* status = session->status_controller();
   status->set_updates_request_types(enabled_types);
   if (!ok) {
     status->increment_num_consecutive_errors();
     status->mutable_updates_response()->Clear();
     LOG(ERROR) << "PostClientToServerMessage() failed during GetUpdates";
     return;
   }
@@ skipping 18 matching lines @@
     if (target_datatypes[i]) {
       requested_type_count++;
       syncable::AddDefaultExtensionValue(syncable::ModelTypeFromInt(i),
                                          filter_protobuf);
     }
   }
   DCHECK_LT(0, requested_type_count) << "Doing GetUpdates with empty filter.";
 }
 
 }  // namespace browser_sync