Crash reporter: collect suspend and resume info from power manager

unclean_shutdown_collector.h

 // 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_REPORTER_UNCLEAN_SHUTDOWN_COLLECTOR_H_
 #define _CRASH_REPORTER_UNCLEAN_SHUTDOWN_COLLECTOR_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 15 matching lines @@
 
   // Disable collection - signal that the system has been shutdown cleanly.
   bool Disable();
 
  private:
   friend class UncleanShutdownCollectorTest;
   FRIEND_TEST(UncleanShutdownCollectorTest, EnableCannotWrite);
 
   bool DeleteUncleanShutdownFile();
 
+  // Check and log modification time on file
+  bool ReadModificationTime(const char *file_string);
+
   const char *unclean_shutdown_file_;
 };
 
 #endif  // _CRASH_REPORTER_UNCLEAN_SHUTDOWN_COLLECTOR_H_