This adds some plumbing for propagating the reason for a renderer's death

chrome/browser/utility_process_host.cc

Index: chrome/browser/utility_process_host.cc
diff --git a/chrome/browser/utility_process_host.cc b/chrome/browser/utility_process_host.cc
index 22495f8f9488eb042413e53387af36b66c76b5b9..980507184cad1104c4269d4ea74d880b8c0a0e17 100644
--- a/chrome/browser/utility_process_host.cc
+++ b/chrome/browser/utility_process_host.cc
@@ -159,10 +159,10 @@ void UtilityProcessHost::OnMessageReceived(const IPC::Message& message) {
       NewRunnableMethod(client_.get(), &Client::OnMessageReceived, message));
 }
 
-void UtilityProcessHost::OnProcessCrashed() {
+void UtilityProcessHost::OnProcessCrashed(int exit_code) {
   BrowserThread::PostTask(
       client_thread_id_, FROM_HERE,
-      NewRunnableMethod(client_.get(), &Client::OnProcessCrashed));
+      NewRunnableMethod(client_.get(), &Client::OnProcessCrashed, exit_code));
 }
 
 void UtilityProcessHost::Client::OnMessageReceived(