Delete DataLog abstraction, which was almost unused.

webrtc/system_wrappers/source/data_log_unittest_disabled.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 <stdio.h>
-
-#include "webrtc/test/gtest.h"
-
-using ::webrtc::DataLog;
-
-const char* kDataLogFileName = "table_1.txt";
-
-void PerformLogging(const std::string& table_name) {
-  // Simulate normal DataTable logging behavior using this table name.
-  ASSERT_EQ(0, DataLog::AddTable(table_name));
-  ASSERT_EQ(0, DataLog::AddColumn(table_name, "test", 1));
-  for (int i = 0; i < 10; ++i) {
-    // TODO(kjellander): Check InsertCell result when the DataLog dummy is
-    // fixed.
-    DataLog::InsertCell(table_name, "test", static_cast<double>(i));
-    ASSERT_EQ(0, DataLog::NextRow(table_name));
-  }
-}
-
-// Simple test to verify DataLog is still working when the GYP variable
-// enable_data_logging==0 (the default case).
-TEST(TestDataLogDisabled, VerifyLoggingWorks) {
-  ASSERT_EQ(0, DataLog::CreateLog());
-  // Generate a table_name name and assure it's an empty string
-  // (dummy behavior).
-  std::string table_name = DataLog::Combine("table", 1);
-  ASSERT_EQ("", table_name);
-  PerformLogging(table_name);
-  DataLog::ReturnLog();
-}
-
-TEST(TestDataLogDisabled, EnsureNoFileIsWritten) {
-  // Remove any previous data files on disk:
-  remove(kDataLogFileName);
-  ASSERT_EQ(0, DataLog::CreateLog());
-  // Don't use the table name we would get from Combine on a disabled DataLog.
-  // Use "table_1" instead (which is what an enabled DataLog would give us).
-  PerformLogging("table_1");
-  DataLog::ReturnLog();
-  // Verify no data log file have been written:
-  ASSERT_EQ(NULL, fopen(kDataLogFileName, "r"));
-}