crash-reporter: Use standard logging and new libchromeos Process code

system_logging.cc

-// Copyright (c) 2010 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.
-
-#include "crash-reporter/system_logging.h"
-
-#include <syslog.h>
-
-#include "base/stringprintf.h"
-
-std::string SystemLoggingImpl::identity_;
-
-SystemLoggingImpl::SystemLoggingImpl() : is_accumulating_(false) {
-}
-
-SystemLoggingImpl::~SystemLoggingImpl() {
-}
-
-void SystemLoggingImpl::Initialize(const char *ident) {
-  // Man page does not specify if openlog copies its string or assumes
-  // the pointer is always valid, so make its scope global.
-  identity_ = ident;
-  openlog(identity_.c_str(), LOG_PID, LOG_USER);
-}
-
-void SystemLoggingImpl::LogWithLevel(int level, const char *format,
-                                     va_list arg_list) {
-  std::string message = StringPrintV(format, arg_list);
-  syslog(level, "%s", message.c_str());
-  if (is_accumulating_) {
-    accumulator_.append(message);
-    accumulator_.push_back('\n');
-  }
-}
-
-void SystemLoggingImpl::LogInfo(const char *format, ...) {
-  va_list vl;
-  va_start(vl, format);
-  LogWithLevel(LOG_INFO, format, vl);
-  va_end(vl);
-}
-
-void SystemLoggingImpl::LogWarning(const char *format, ...) {
-  va_list vl;
-  va_start(vl, format);
-  LogWithLevel(LOG_WARNING, format, vl);
-  va_end(vl);
-}
-
-void SystemLoggingImpl::LogError(const char *format, ...) {
-  va_list vl;
-  va_start(vl, format);
-  LogWithLevel(LOG_ERR, format, vl);
-  va_end(vl);
-}