Added the Vulkan Context Provider implementation.

content/browser/compositor/vulkan_browser_compositor_output_surface.h

+// Copyright (c) 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 CONTENT_BROWSER_COMPOSITOR_VULKAN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
+#define CONTENT_BROWSER_COMPOSITOR_VULKAN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "content/browser/compositor/browser_compositor_output_surface.h"
+
+namespace content {
+
+class VulkanBrowserCompositorOutputSurface
+    : public BrowserCompositorOutputSurface {
+ public:
+  VulkanBrowserCompositorOutputSurface(
+      const scoped_refptr<cc::VulkanContextProvider>& context,
+      const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
+
+  ~VulkanBrowserCompositorOutputSurface() override;
+
+  // BrowserCompositorOutputSurface implementation.
+  void OnGpuSwapBuffersCompleted(
+      const std::vector<ui::LatencyInfo>& latency_info,
+      gfx::SwapResult result) override;
+
+ protected:
+  // cc::OutputSurface implementation.
+  void SwapBuffers(cc::CompositorFrame* frame) override;
+
+  DISALLOW_COPY_AND_ASSIGN(VulkanBrowserCompositorOutputSurface);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_COMPOSITOR_VULKAN_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_