Mojo: abstract interface implementation from generated Stub classes

mojo/public/bindings/sample/sample_service_unittests.cc

Index: mojo/public/bindings/sample/sample_service_unittests.cc
diff --git a/mojo/public/bindings/sample/sample_service_unittests.cc b/mojo/public/bindings/sample/sample_service_unittests.cc
index 4ad4ae889a45e49932d87900f80a2dabfec2ab76..6a9333aca12050c479ea13e74516103fb8ed3774 100644
--- a/mojo/public/bindings/sample/sample_service_unittests.cc
+++ b/mojo/public/bindings/sample/sample_service_unittests.cc
@@ -238,7 +238,7 @@ static void DumpHex(const uint8_t* bytes, uint32_t num_bytes) {
   }
 }
 
-class ServiceImpl : public ServiceStub {
+class ServiceImpl : public Service {
  public:
   virtual void Frobinate(const Foo& foo, bool baz,
                          mojo::ScopedMessagePipeHandle port)
@@ -273,8 +273,8 @@ class SimpleMessageReceiver : public mojo::MessageReceiver {
     // the system. It receives the incoming message.
     ServiceImpl impl;
 
-    ServiceStub* stub = &impl;
-    return stub->Accept(message);
+    ServiceStub stub(&impl);
+    return stub.Accept(message);
   }
 };