Issue 357: New Linux file_id code doesn't persist across strip. r=agl,nealsid at http://breakpad.appspot.com/49008

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@461 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/linux/minidump_writer/linux_dumper.h

@@ -37,6 +37,7 @@
 #include <sys/user.h>
 
 #include "common/linux/memory.h"
+#include "google_breakpad/common/minidump_format.h"
 
 namespace google_breakpad {
 
@@ -122,6 +123,10 @@ class LinuxDumper {
   // without any slashes.
   void BuildProcPath(char* path, pid_t pid, const char* node) const;
 
+  // Generate a File ID from the .text section of a mapped entry
+  bool ElfFileIdentifierForMapping(unsigned int mapping_id,
+                                   uint8_t identifier[sizeof(MDGUID)]);
+
   // Utility method to find the location of where the kernel has
   // mapped linux-gate.so in memory(shows up in /proc/pid/maps as
   // [vdso], but we can't guarantee that it's the only virtual dynamic