IVGCVSW-2125 : Consolidate backend registries into one

Change-Id: I56da4780f8f5fcef7ff01d232d5d61bf299364bf
diff --git a/src/backends/reference/RefBackend.cpp b/src/backends/reference/RefBackend.cpp
index 2f5ec80..7c92404 100644
--- a/src/backends/reference/RefBackend.cpp
+++ b/src/backends/reference/RefBackend.cpp
@@ -6,9 +6,11 @@
 #include "RefBackend.hpp"
 #include "RefBackendId.hpp"
 #include "RefWorkloadFactory.hpp"
+#include "RefLayerSupport.hpp"
 
 #include <backendsCommon/IBackendContext.hpp>
 #include <backendsCommon/BackendRegistry.hpp>
+
 #include <Optimizer.hpp>
 
 #include <boost/cast.hpp>
@@ -19,7 +21,7 @@
 namespace
 {
 
-static StaticRegistryInitializer<BackendRegistry> g_RegisterHelper
+static BackendRegistry::StaticRegistryInitializer g_RegisterHelper
 {
     BackendRegistryInstance(),
     RefBackend::GetIdStatic(),
@@ -52,4 +54,10 @@
     return Optimizations{};
 }
 
+IBackendInternal::ILayerSupportSharedPtr RefBackend::GetLayerSupport() const
+{
+    static ILayerSupportSharedPtr layerSupport{new RefLayerSupport};
+    return layerSupport;
+}
+
 } // namespace armnn
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