Add crash_reporter functionality

src/platform/crash/system_logging.h

Index: src/platform/crash/system_logging.h
diff --git a/src/platform/crash/system_logging.h b/src/platform/crash/system_logging.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c946b01ababc9558bf9a9f2f0e704f0fc2fe931
--- /dev/null
+++ b/src/platform/crash/system_logging.h
@@ -0,0 +1,30 @@
+// 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.
+
+#ifndef CRASH_SYSTEM_LOGGING_H_
+#define CRASH_SYSTEM_LOGGING_H_
+
+#include <string>
+
+class SystemLogging {
+ public:
+  virtual void Initialize(const char *ident) = 0;
+  virtual void LogInfo(const char *format, ...) = 0;
+  virtual void LogWarning(const char *format, ...) = 0;
+  virtual void LogError(const char *format, ...) = 0;
+};
+
+class SystemLoggingImpl : public SystemLogging {
+ public:
+  SystemLoggingImpl();
+  virtual ~SystemLoggingImpl();
+  virtual void Initialize(const char *ident);
+  virtual void LogInfo(const char *format, ...);
+  virtual void LogWarning(const char *format, ...);
+  virtual void LogError(const char *format, ...);
+ private:
+  static std::string identity_;
+};
+
+#endif  // CRASH_SYSTEM_LOGGING_H_