Remove outdated TODOs for romax.

components/offline_pages/core/offline_page_model_impl.cc

 // Copyright 2016 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/offline_pages/core/offline_page_model_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
@@ skipping 886 matching lines @@
   for (const auto& item : pages_to_delete)
     page_ids_to_delete.push_back(item.offline_id);
   DeletePagesByOfflineId(
       page_ids_to_delete,
       base::Bind(&OfflinePageModelImpl::OnDeleteOldPagesWithSameURL,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void OfflinePageModelImpl::OnDeleteOldPagesWithSameURL(
     DeletePageResult result) {
-  // TODO(romax) Add UMAs for failure cases.
   PostClearStorageIfNeededTask(false /* delayed */);
 }
 
 void OfflinePageModelImpl::DeletePendingArchiver(
     OfflinePageArchiver* archiver) {
   pending_archivers_.erase(
       std::find_if(pending_archivers_.begin(), pending_archivers_.end(),
                    [archiver](const std::unique_ptr<OfflinePageArchiver>& a) {
                      return a.get() == archiver;
                    }));
@@ skipping 170 matching lines @@
   }
 
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, task);
 }
 
 base::Time OfflinePageModelImpl::GetCurrentTime() const {
   return testing_clock_ ? testing_clock_->Now() : base::Time::Now();
 }
 
 }  // namespace offline_pages