Add crash_reporter functionality

src/platform/crash/system_logging_mock.h

Index: src/platform/crash/system_logging_mock.h
diff --git a/src/platform/crash/system_logging_mock.h b/src/platform/crash/system_logging_mock.h
new file mode 100644
index 0000000000000000000000000000000000000000..983c724672a4ff503d62ff3af9a19cab7f51e259
--- /dev/null
+++ b/src/platform/crash/system_logging_mock.h
@@ -0,0 +1,27 @@
+// 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_MOCK_H_
+#define CRASH_SYSTEM_LOGGING_MOCK_H_
+
+#include <string>
+
+#include "crash/system_logging.h"
+
+class SystemLoggingMock : public SystemLogging {
+ public:
+  void Initialize(const char *ident) {}
+  virtual void LogInfo(const char *format, ...);
+  virtual void LogWarning(const char *format, ...);
+  virtual void LogError(const char *format, ...);
+
+  const std::string &log() { return log_; }
+
+ private:
+  static std::string identity_;
+  std::string log_;
+  std::string ident_;
+};
+
+#endif  // CRASH_SYSTEM_LOGGING_H_