1 files changed, 20 insertions, 0 deletions
diff --git a/chrome/service/cloud_print/cloud_print_proxy.cc b/chrome/service/cloud_print/cloud_print_proxy.cc
index ea6139b..aff851a 100644
--- a/chrome/service/cloud_print/cloud_print_proxy.cc
+++ b/chrome/service/cloud_print/cloud_print_proxy.cc
@@ -17,6 +17,11 @@ void CloudPrintProxy::Initialize() {
 
 void CloudPrintProxy::EnableForUser(const std::string& lsid,
                                     const std::string& proxy_id) {
+  if (backend_.get())
+    return;
+
+  backend_.reset(new CloudPrintProxyBackend(this));
+  backend_->Initialize(lsid, proxy_id);
 }
 
 void CloudPrintProxy::DisableForUser() {
@@ -25,8 +30,23 @@ void CloudPrintProxy::DisableForUser() {
 
 void CloudPrintProxy::HandlePrinterNotification(
     const std::string& printer_id) {
+  if (backend_.get())
+    backend_->HandlePrinterNotification(printer_id);
 }
 
 void CloudPrintProxy::Shutdown() {
+  if (backend_.get())
+    backend_->Shutdown();
+  backend_.reset();
+}
+
+// Notification methods from the backend. Called on UI thread.
+void CloudPrintProxy::OnPrinterListAvailable(
+    const cloud_print::PrinterList& printer_list) {
+  // Here we will trim the list to eliminate printers already registered.
+  // If there are any more printers left in the list after trimming, we will
+  // show the print selection UI. Any printers left in the list after the user
+  // selection process will then be registered.
+  backend_->RegisterPrinters(printer_list);
 }