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mojo/application/public/cpp/lib/application_impl.cc

Index: mojo/application/public/cpp/lib/application_impl.cc
diff --git a/mojo/application/public/cpp/lib/application_impl.cc b/mojo/application/public/cpp/lib/application_impl.cc
index f1c6e42c6015935f9724c90519cf9858463e8289..b3f45a3bbece094a34f09c031ea2a19f079ac9ac 100644
--- a/mojo/application/public/cpp/lib/application_impl.cc
+++ b/mojo/application/public/cpp/lib/application_impl.cc
@@ -166,7 +166,14 @@ void ApplicationImpl::OnQuitRequested(const Callback<void(bool)>& callback) {
 
 void ApplicationImpl::OnConnectionError() {
   base::WeakPtr<ApplicationImpl> ptr(weak_factory_.GetWeakPtr());
-  QuitNow();
+
+  // We give the delegate notice first, since it might want to do something on
+  // shell connection errors other than immediate termination of the run
+  // loop. The application might want to continue servicing connections other
+  // than the one to the shell.
+  bool quit_now = delegate_->OnShellConnectionError();
+  if (quit_now)
+    QuitNow();
   if (!ptr)
     return;
   shell_ = nullptr;