crash-reporter: Add diagnostics to help diagnose failures in the wild

user_collector.h

Index: user_collector.h
diff --git a/user_collector.h b/user_collector.h
index 90bc578eec65249d5375f162f76833c91017f3a0..8154f7ab2b1b208cbd58a1907a563cfa2ac74f68 100644
--- a/user_collector.h
+++ b/user_collector.h
@@ -40,7 +40,9 @@ class UserCollector : public CrashCollector {
   bool Disable() { return SetUpInternal(false); }
 
   // Handle a specific user crash.  Returns true on success.
-  bool HandleCrash(int signal, int pid, const char *force_exec);
+  bool HandleCrash(int signal, int pid,
+                   const char *kernel_supplied_name,
+                   const char *force_exec);
 
   // Set (override the default) core file pattern.
   void set_core_pattern_file(const std::string &pattern) {