Add new termination status for failed launch

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
index da15b9fa92d4571d3a5dc28e216887b8c6b37452..70dca3f3aa4bff66f02a4ad77b4b2f39e653fe05 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -128,6 +128,8 @@ static std::string TerminationStatusToString(base::TerminationStatus status) {
       return "killed";
     case base::TERMINATION_STATUS_PROCESS_CRASHED:
       return "crashed";
+    case base::TERMINATION_STATUS_LAUNCH_FAILED:
+      return "failed to launch";
     case base::TERMINATION_STATUS_MAX_ENUM:
       break;
   }