IVGCVSW-7197 Implement Pimpl Idiom for OptimizerOptions

Signed-off-by: John Mcloughlin <john.mcloughlin@arm.com>
Change-Id: Id4bdc31e3e6f18ccaef232c29a2d2825c915b21c
diff --git a/src/backends/cl/test/ClOptimizedNetworkTests.cpp b/src/backends/cl/test/ClOptimizedNetworkTests.cpp
index 6648759..3d4341d 100644
--- a/src/backends/cl/test/ClOptimizedNetworkTests.cpp
+++ b/src/backends/cl/test/ClOptimizedNetworkTests.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017, 2023 Arm Ltd. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -86,8 +86,8 @@
 
     std::vector<armnn::BackendId> backends = {armnn::Compute::GpuAcc};
 
-    armnn::OptimizerOptions optimizerOptions;
-    optimizerOptions.m_ReduceFp32ToFp16 = true;
+    armnn::OptimizerOptionsOpaque optimizerOptions;
+    optimizerOptions.SetReduceFp32ToFp16(true);
 
     armnn::IOptimizedNetworkPtr optimizedNet = armnn::Optimize(
             *net, backends, runtime->GetDeviceSpec(), optimizerOptions);
@@ -119,9 +119,9 @@
     armnn::IRuntimePtr runtime(armnn::IRuntime::Create(options));
 
     std::vector<armnn::BackendId> backends = {armnn::Compute::GpuAcc};
-    armnn::OptimizerOptions optimizerOptions;
+    armnn::OptimizerOptionsOpaque optimizerOptions;
     armnn::BackendOptions modelOptions("GpuAcc", {{"FastMathEnabled", true}});
-    optimizerOptions.m_ModelOptions.push_back(modelOptions);
+    optimizerOptions.AddModelOption(modelOptions);
 
     armnn::IOptimizedNetworkPtr optimizedNet = armnn::Optimize(
     *net, backends, runtime->GetDeviceSpec(), optimizerOptions);