Enable fetching of admin policies for login screen apps

components/policy/core/common/schema_registry.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/policy/core/common/schema_registry.h"
 
 #include "base/logging.h"
 
 namespace policy {
 
@@ skipping 181 matching lines @@
   }
   schema_map_ = new SchemaMap(map);
   Notify(has_new_schemas);
 }
 
 ForwardingSchemaRegistry::ForwardingSchemaRegistry(SchemaRegistry* wrapped)
     : wrapped_(wrapped) {
   schema_map_ = wrapped_->schema_map();
   wrapped_->AddObserver(this);
   wrapped_->AddInternalObserver(this);
+  UpdateReadiness();
 }
 
 ForwardingSchemaRegistry::~ForwardingSchemaRegistry() {
   if (wrapped_) {
     wrapped_->RemoveObserver(this);
     wrapped_->RemoveInternalObserver(this);
   }
 }
 
 void ForwardingSchemaRegistry::RegisterComponents(
@@ skipping 11 matching lines @@
   if (wrapped_)
     wrapped_->UnregisterComponent(ns);
   // Ignore otherwise.
 }
 
 void ForwardingSchemaRegistry::OnSchemaRegistryUpdated(bool has_new_schemas) {
   schema_map_ = wrapped_->schema_map();
   Notify(has_new_schemas);
 }
 
+void ForwardingSchemaRegistry::OnSchemaRegistryReady() {
+  UpdateReadiness();
+}
+
 void ForwardingSchemaRegistry::OnSchemaRegistryShuttingDown(
     SchemaRegistry* registry) {
   DCHECK_EQ(wrapped_, registry);
   wrapped_->RemoveObserver(this);
   wrapped_->RemoveInternalObserver(this);
   wrapped_ = NULL;
   // Keep serving the same |schema_map_|.
 }
 
+void ForwardingSchemaRegistry::UpdateReadiness() {
+  if (wrapped_->IsReady())
+    SetAllDomainsReady();
+}
+
 }  // namespace policy