Change primordial pipes to ShellClient

components/filesystem/file_system_app.cc

Index: components/filesystem/file_system_app.cc
diff --git a/components/filesystem/file_system_app.cc b/components/filesystem/file_system_app.cc
index 011f74d78f425911cc4aed822af217ffca1b3291..d4fc6eb357600d2dd174e3ac9930529c756024cf 100644
--- a/components/filesystem/file_system_app.cc
+++ b/components/filesystem/file_system_app.cc
@@ -55,6 +55,10 @@ void FileSystemApp::Create(mojo::Connection* connection,
                      lock_table_.get());
 }
 
+void FileSystemApp::ShellConnectionLost() {
+  _exit(1);
+}
+
 //static
 base::FilePath FileSystemApp::GetUserDataDir() {
   base::FilePath path;