Add connection error handing in ServiceRegistryImpl.

content/common/mojo/service_registry_impl.cc

Index: content/common/mojo/service_registry_impl.cc
diff --git a/content/common/mojo/service_registry_impl.cc b/content/common/mojo/service_registry_impl.cc
index eec7640bc300e15425f9d99c95fccdc3cab5c2a4..a4d6174fec155013d97a2a395a2866c4bdea2775 100644
--- a/content/common/mojo/service_registry_impl.cc
+++ b/content/common/mojo/service_registry_impl.cc
@@ -21,6 +21,7 @@ ServiceRegistryImpl::~ServiceRegistryImpl() {
 
 void ServiceRegistryImpl::Bind(
     mojo::InterfaceRequest<mojo::ServiceProvider> request) {
+  binding_.set_error_handler(this);

[Ken Rockot(use gerrit already), 2015/05/05 17:59:23]

nit: might as well just do this in the ctor

[xhwang, 2015/05/05 18:09:26]

Done.

   binding_.Bind(request.Pass());
 }
 
@@ -58,6 +59,10 @@ void ServiceRegistryImpl::ConnectToRemoteService(
                                      handle.Pass());
 }
 
+bool ServiceRegistryImpl::IsBound() const {
+  return binding_.is_bound();
+}
+
 base::WeakPtr<ServiceRegistry> ServiceRegistryImpl::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
@@ -74,4 +79,8 @@ void ServiceRegistryImpl::ConnectToService(
   it->second.Run(client_handle.Pass());
 }
 
+void ServiceRegistryImpl::OnConnectionError() {
+  binding_.Close();
+}
+
 }  // namespace content