Add extra parameter to BrowserChildProcessCrashed to pass the exit_code at time of crash/termination

content/browser/mach_broker_mac.mm

Index: content/browser/mach_broker_mac.mm
diff --git a/content/browser/mach_broker_mac.mm b/content/browser/mach_broker_mac.mm
index 0e0eec80bbd64429102d4b043f0861499c77fa87..7c527e55b6f5faaf1e677d2096947c2d4f66a54d 100644
--- a/content/browser/mach_broker_mac.mm
+++ b/content/browser/mach_broker_mac.mm
@@ -217,7 +217,8 @@ void MachBroker::BrowserChildProcessHostDisconnected(
   InvalidateChildProcessId(data.id);
 }
 
-void MachBroker::BrowserChildProcessCrashed(const ChildProcessData& data) {
+void MachBroker::BrowserChildProcessCrashed(const ChildProcessData& data,
+    int exit_code) {
   InvalidateChildProcessId(data.id);
 }