Delayed adding BluetoothEventRouter as BluetoothAdapter observer until when the

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 089ec355d553224f821f873e71241cfb8dd2d8fc..3bece7c3c442717f5e9cf57cabecce440327208d 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -558,6 +558,11 @@ void ExtensionService::InitEventRouters() {
   event_routers_initialized_ = true;
 }
 
+void ExtensionService::NotifyExtensionEventRouters(
+    const std::string& event_name) {
+  bluetooth_event_router_->OnEventListenerAdded(event_name);
+}
+
 void ExtensionService::OnProfileSyncServiceShutdown() {
   // TODO(akalin): Move this block to Shutdown() once
   // http://crbug.com/153827 is fixed.