libchromeos: revert add process control library, syslog logging capability, and run unit tests

chromeos/test_helpers.h

-// Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef _CHROMEOS_TEST_HELPERS_H_
-#define _CHROMEOS_TEST_HELPERS_H_
-
-#include "gtest/gtest.h"
-
-#include <string>
-
-#include <base/command_line.h>
-#include <base/file_util.h>
-#include <base/logging.h>
-#include <chromeos/syslog_logging.h>
-
-inline void ExpectFileEquals(const char* golden,
-                             const char* file_path) {
-  std::string contents;
-  EXPECT_TRUE(file_util::ReadFileToString(FilePath(file_path),
-                                          &contents));
-  EXPECT_EQ(golden, contents);
-}
-
-inline void SetUpTests(int *argc, char** argv, bool log_to_stderr) {
-  CommandLine::Init(*argc, argv);
-  ::chromeos::InitLog(log_to_stderr ? chromeos::kLogToStderr : 0);
-  ::chromeos::LogToString(true);
-  ::testing::InitGoogleTest(argc, argv);
-}
-
-#endif  // _CHROMEOS_TEST_HELPERS_H_