crash-reporter: Send OS version at time of crash and related improvements

kernel_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_KERNEL_COLLECTOR_H_
 #define _CRASH_REPORTER_KERNEL_COLLECTOR_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 19 matching lines @@
     return is_enabled_;
   }
 
   // Collect any preserved kernel crash dump. Returns true if there was
   // a dump (even if there were problems storing the dump), false otherwise.
   bool Collect();
 
  private:
   friend class KernelCollectorTest;
   FRIEND_TEST(KernelCollectorTest, ClearPreservedDump);
-  FRIEND_TEST(KernelCollectorTest, GetKernelCrashPath);
   FRIEND_TEST(KernelCollectorTest, LoadPreservedDump);
   FRIEND_TEST(KernelCollectorTest, CollectOK);
 
   bool LoadPreservedDump(std::string *contents);
   bool ClearPreservedDump();
-  FilePath GetKernelCrashPath(const FilePath &root_crash_path,
-                              time_t timestamp);
 
   bool is_enabled_;
   FilePath preserved_dump_path_;
   static const char kClearingSequence[];
 };
 
 #endif  // _CRASH_REPORTER_KERNEL_COLLECTOR_H_