Implement basic stack traces on Android and reenable unit tests.

base/third_party/symbolize/symbolize.h

 // Copyright (c) 2006, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 110 matching lines @@
 #endif
 
 _START_GOOGLE_NAMESPACE_
 
 // Symbolizes a program counter.  On success, returns true and write the
 // symbol name to "out".  The symbol name is demangled if possible
 // (supports symbols generated by GCC 3.x or newer).  Otherwise,
 // returns false.
 bool Symbolize(void *pc, char *out, int out_size);
 
+// Search for the object file (from /proc/self/maps) that contains
+// the specified pc. If found, copy the path name to "out" and parsed starting

[satorux1, 2013/06/13 01:58:10]

fpath name -> file name, to be consistent with the function name.

please also mention that the file name includes the trailing '\0',

[scherkus (not reviewing), 2013/06/13 02:20:46]

Done.

+// address of where the object file is mapped to in memory and return true.
+// Otherwise, return false.
+//
+// NOTE: "start_address" is the value directly from /proc/self/maps and may not
+// be correct for prelinked shared libraries.
+bool FindObjectFileNameContainingPcAndGetStartAddress(
+    void *pc, char *out, int out_size, uint64_t *start_address);
+
 _END_GOOGLE_NAMESPACE_
 
 #endif  // BASE_SYMBOLIZE_H_