Expose ExceptionHandler::HandleSignal for use in non-breakpad signal handlers.

src/client/linux/handler/exception_handler.h

Index: src/client/linux/handler/exception_handler.h
diff --git a/src/client/linux/handler/exception_handler.h b/src/client/linux/handler/exception_handler.h
index bbd962cb65bd3ed6a212cb9fb38c73675de31381..b57f58d4682037f4a7590820e48d582ea6bdf9bb 100644
--- a/src/client/linux/handler/exception_handler.h
+++ b/src/client/linux/handler/exception_handler.h
@@ -221,6 +221,9 @@ class ExceptionHandler {
 
   // Force signal handling for the specified signal.
   bool SimulateSignalDelivery(int sig);
+
+  // Report a crash signal from an SA_SIGINFO signal handler.
+  bool HandleSignal(int sig, siginfo_t* info, void* uc);
  private:
   // Save the old signal handlers and install new ones.
   static bool InstallHandlersLocked();
@@ -233,7 +236,6 @@ class ExceptionHandler {
   void WaitForContinueSignal();
 
   static void SignalHandler(int sig, siginfo_t* info, void* uc);
-  bool HandleSignal(int sig, siginfo_t* info, void* uc);
   static int ThreadEntry(void* arg);
   bool DoDump(pid_t crashing_process, const void* context,
               size_t context_size);