Revert of Consolidate OutputSurface constructors into GL vs Vulkan.

content/renderer/gpu/delegated_compositor_output_surface.h

Index: content/renderer/gpu/delegated_compositor_output_surface.h
diff --git a/content/renderer/gpu/delegated_compositor_output_surface.h b/content/renderer/gpu/delegated_compositor_output_surface.h
new file mode 100644
index 0000000000000000000000000000000000000000..aca19155b8d5821e93a358f1260b615874b23d40
--- /dev/null
+++ b/content/renderer/gpu/delegated_compositor_output_surface.h
@@ -0,0 +1,31 @@
+// Copyright 2013 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 CONTENT_RENDERER_GPU_DELEGATED_COMPOSITOR_OUTPUT_SURFACE_H_
+#define CONTENT_RENDERER_GPU_DELEGATED_COMPOSITOR_OUTPUT_SURFACE_H_
+
+#include <stdint.h>
+
+#include "base/memory/ref_counted.h"
+#include "content/renderer/gpu/compositor_output_surface.h"
+
+namespace content {
+class FrameSwapMessageQueue;
+
+class DelegatedCompositorOutputSurface : public CompositorOutputSurface {
+ public:
+  DelegatedCompositorOutputSurface(
+      int32_t routing_id,
+      uint32_t output_surface_id,
+      const scoped_refptr<ContextProviderCommandBuffer>& context_provider,
+      const scoped_refptr<ContextProviderCommandBuffer>&
+          worker_context_provider,
+      const scoped_refptr<cc::VulkanContextProvider>& vulkan_context_provider,
+      scoped_refptr<FrameSwapMessageQueue> swap_frame_message_queue);
+  ~DelegatedCompositorOutputSurface() override {}
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_GPU_DELEGATED_COMPOSITOR_OUTPUT_SURFACE_H_