Add crash_reporter functionality

src/platform/crash/system_logging.cc

Index: src/platform/crash/system_logging.cc
diff --git a/src/platform/crash/system_logging.cc b/src/platform/crash/system_logging.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e366ef2c2d197ee7346c47c33c3923c36987d81b
--- /dev/null
+++ b/src/platform/crash/system_logging.cc
@@ -0,0 +1,44 @@
+// 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 <stdarg.h>
+#include <syslog.h>
+
+#include "crash/system_logging.h"
+
+std::string SystemLoggingImpl::identity_;
+
+SystemLoggingImpl::SystemLoggingImpl() {
+}
+
+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::LogInfo(const char *format, ...) {
+  va_list vl;
+  va_start(vl, format);
+  vsyslog(LOG_INFO, format, vl);
+  va_end(vl);
+}
+
+void SystemLoggingImpl::LogWarning(const char *format, ...) {
+  va_list vl;
+  va_start(vl, format);
+  vsyslog(LOG_WARNING, format, vl);
+  va_end(vl);
+}
+
+void SystemLoggingImpl::LogError(const char *format, ...) {
+  va_list vl;
+  va_start(vl, format);
+  vsyslog(LOG_ERR, format, vl);
+  va_end(vl);
+}