tint->dawn: Move src/dawn_native -> src/dawn/native

Bug: dawn:1275
Change-Id: Ic60a00107a015bc677ff929c492f1085ffc38482
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79083
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ben Clayton <bclayton@chromium.org>

src/dawn/native/opengl/BindGroupLayoutGL.h

@@ -0,0 +1,42 @@
+// Copyright 2020 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef DAWNNATIVE_OPENGL_BINDGROUPLAYOUTGL_H_
+#define DAWNNATIVE_OPENGL_BINDGROUPLAYOUTGL_H_
+
+#include "dawn/common/SlabAllocator.h"
+#include "dawn/native/BindGroupLayout.h"
+
+namespace dawn::native::opengl {
+
+    class BindGroup;
+    class Device;
+
+    class BindGroupLayout final : public BindGroupLayoutBase {
+      public:
+        BindGroupLayout(DeviceBase* device,
+                        const BindGroupLayoutDescriptor* descriptor,
+                        PipelineCompatibilityToken pipelineCompatibilityToken);
+
+        Ref<BindGroup> AllocateBindGroup(Device* device, const BindGroupDescriptor* descriptor);
+        void DeallocateBindGroup(BindGroup* bindGroup);
+
+      private:
+        ~BindGroupLayout() override = default;
+        SlabAllocator<BindGroup> mBindGroupAllocator;
+    };
+
+}  // namespace dawn::native::opengl
+
+#endif  // DAWNNATIVE_OPENGL_BINDGROUPLAYOUTGL_H_