cc/blimp: Set up the framework for state serialization.

cc/test/remote_client_layer_factory.h

+// Copyright 2016 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 CC_TEST_REMOTE_CLIENT_LAYER_FACTORY_H_
+#define CC_TEST_REMOTE_CLIENT_LAYER_FACTORY_H_
+
+#include "base/macros.h"
+#include "cc/blimp/layer_factory.h"
+
+namespace cc {
+
+// An implementation of LayerFactory for tests that ensures that the layer id
+// for layers created on the client matches the ids of the corresponding layers
+// on the engine.
+class RemoteClientLayerFactory : public LayerFactory {
+ public:
+  RemoteClientLayerFactory();
+  ~RemoteClientLayerFactory() override;
+
+  // LayerFactory implementation.
+  scoped_refptr<Layer> CreateLayer(int engine_layer_id) override;
+};
+
+}  // namespace cc
+
+#endif  // CC_TEST_REMOTE_CLIENT_LAYER_FACTORY_H_