Expose Blimp dependencies to the embedder

blimp/client/support/compositor/compositor_dependencies_impl.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 BLIMP_CLIENT_SUPPORT_COMPOSITOR_COMPOSITOR_DEPENDENCIES_IMPL_H_
+#define BLIMP_CLIENT_SUPPORT_COMPOSITOR_COMPOSITOR_DEPENDENCIES_IMPL_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "blimp/client/public/compositor/compositor_dependencies.h"
+
+namespace cc {
+class ContextProvider;
+}
+
+namespace blimp {
+namespace client {
+
+class BlimpGpuMemoryBufferManager;
+
+class CompositorDependenciesImpl : public CompositorDependencies {
+ public:
+  CompositorDependenciesImpl();
+  ~CompositorDependenciesImpl() override;
+
+  // CompositorDependencies implementation.
+  cc::LayerTreeSettings* GetLayerTreeSettings() override;
+  gpu::GpuMemoryBufferManager* GetGpuMemoryBufferManager() override;
+  cc::SurfaceManager* GetSurfaceManager() override;
+  uint32_t AllocateSurfaceId() override;
+  void GetContextProvider(const ContextProviderCallback& callback) override;
+
+ private:
+  std::unique_ptr<cc::LayerTreeSettings> settings_;
+  std::unique_ptr<BlimpGpuMemoryBufferManager> gpu_memory_buffer_manager_;
+  std::unique_ptr<cc::SurfaceManager> surface_manager_;
+  uint32_t next_surface_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(CompositorDependenciesImpl);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_SUPPORT_COMPOSITOR_COMPOSITOR_DEPENDENCIES_IMPL_H_