Reland of move enable_vulkan from build/config, and move it to the buildflag_header system.

content/browser/renderer_host/compositor_impl_android.h

 // Copyright (c) 2012 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_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/cancelable_callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "cc/surfaces/frame_sink_id.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/android/compositor.h"
 #include "gpu/command_buffer/common/capabilities.h"
 #include "gpu/ipc/common/surface_handle.h"
+#include "gpu/vulkan/features.h"
 #include "services/ui/public/cpp/gpu/context_provider_command_buffer.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "ui/android/resources/resource_manager_impl.h"
 #include "ui/android/resources/ui_resource_provider.h"
 #include "ui/android/window_android_compositor.h"
 
 struct ANativeWindow;
 
 namespace cc {
 class AnimationHost;
@@ skipping 73 matching lines @@
   void SetNeedsAnimate() override;
   cc::FrameSinkId GetFrameSinkId() override;
   void AddChildFrameSink(const cc::FrameSinkId& frame_sink_id) override;
   void RemoveChildFrameSink(const cc::FrameSinkId& frame_sink_id) override;
 
   void SetVisible(bool visible);
   void CreateLayerTreeHost();
 
   void HandlePendingCompositorFrameSinkRequest();
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
   void CreateVulkanOutputSurface();
 #endif
   void OnGpuChannelEstablished(
       scoped_refptr<gpu::GpuChannelHost> gpu_channel_host);
   void OnGpuChannelTimeout();
   void InitializeDisplay(
       std::unique_ptr<cc::OutputSurface> display_output_surface,
       scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider,
       scoped_refptr<cc::ContextProvider> context_provider);
   void DidSwapBuffers();
@@ skipping 49 matching lines @@
   std::unordered_set<cc::FrameSinkId, cc::FrameSinkIdHash>
       pending_child_frame_sink_ids_;
   base::WeakPtrFactory<CompositorImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_