Delete DataLog abstraction, which was almost unused.

webrtc/system_wrappers/source/data_log_no_op.cc

-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/system_wrappers/include/data_log.h"
-
-#include <string>
-
-namespace webrtc {
-
-int DataLog::CreateLog() {
-  return 0;
-}
-
-void DataLog::ReturnLog() {
-}
-
-std::string DataLog::Combine(const std::string& table_name, int table_id) {
-  return std::string();
-}
-
-int DataLog::AddTable(const std::string& /*table_name*/) {
-  return 0;
-}
-
-int DataLog::AddColumn(const std::string& /*table_name*/,
-                       const std::string& /*column_name*/,
-                       int /*multi_value_length*/) {
-  return 0;
-}
-
-int DataLog::NextRow(const std::string& /*table_name*/) {
-  return 0;
-}
-
-DataLogImpl::DataLogImpl() {
-}
-
-DataLogImpl::~DataLogImpl() {
-}
-
-DataLogImpl* DataLogImpl::StaticInstance() {
-  return NULL;
-}
-
-void DataLogImpl::ReturnLog() {
-}
-
-int DataLogImpl::AddTable(const std::string& /*table_name*/) {
-  return 0;
-}
-
-int DataLogImpl::AddColumn(const std::string& /*table_name*/,
-                           const std::string& /*column_name*/,
-                           int /*multi_value_length*/) {
-  return 0;
-}
-
-int DataLogImpl::InsertCell(const std::string& /*table_name*/,
-                            const std::string& /*column_name*/,
-                            const Container* /*value_container*/) {
-  return 0;
-}
-
-int DataLogImpl::NextRow(const std::string& /*table_name*/) {
-  return 0;
-}
-
-void DataLogImpl::Flush() {
-}
-
-bool DataLogImpl::Run(void* /*obj*/) {
-  return true;
-}
-
-void DataLogImpl::Process() {
-}
-
-void DataLogImpl::StopThread() {
-}
-
-}  // namespace webrtc