Include mojo/public/cpp/bindings/binding.h wherever mojo::Binding<> is used.

mojo/public/cpp/application/lib/service_registry.h

 // Copyright 2014 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.
 
 #ifndef MOJO_PUBLIC_CPP_APPLICATION_LIB_SERVICE_REGISTRY_H_
 #define MOJO_PUBLIC_CPP_APPLICATION_LIB_SERVICE_REGISTRY_H_
 
 #include <string>
 
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/lib/service_connector_registry.h"
+#include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/interfaces/application/service_provider.mojom.h"
 
 namespace mojo {
 
 class Application;
 class ApplicationImpl;
 
 namespace internal {
 
 // A ServiceRegistry represents each half of a connection between two
@@ skipping 35 matching lines @@
   ServiceProviderPtr remote_service_provider_;
   ServiceConnectorRegistry service_connector_registry_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ServiceRegistry);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_APPLICATION_LIB_SERVICE_REGISTRY_H_