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

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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.
 
 #include "content/browser/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 30 matching lines @@
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/host_shared_bitmap_manager.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/client/shared_memory_limits.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/ipc/client/gpu_channel_host.h"
 #include "gpu/ipc/host/gpu_memory_buffer_support.h"
+#include "gpu/vulkan/features.h"
 #include "services/service_manager/runner/common/client_util.h"
 #include "services/ui/public/cpp/gpu/context_provider_command_buffer.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/compositor_constants.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/layer.h"
 #include "ui/display/types/display_snapshot.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/switches.h"
@@ skipping 27 matching lines @@
 #include "ui/accelerated_widget_mac/window_resize_helper_mac.h"
 #include "ui/base/cocoa/remote_layer_api.h"
 #include "ui/base/ui_base_switches.h"
 #elif defined(OS_ANDROID)
 #include "components/display_compositor/compositor_overlay_candidate_validator_android.h"
 #endif
 #if !defined(GPU_SURFACE_HANDLE_IS_ACCELERATED_WINDOW)
 #include "gpu/ipc/common/gpu_surface_tracker.h"
 #endif
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
 #include "content/browser/compositor/vulkan_browser_compositor_output_surface.h"
 #endif
 
 using cc::ContextProvider;
 using gpu::gles2::GLES2Interface;
 
 namespace {
 
 const int kNumRetriesBeforeSoftwareFallback = 4;
 // The client_id used here should not conflict with the client_id generated
@@ skipping 370 matching lines @@
       return;
     }
   }
 
   BrowserCompositorOutputSurface::UpdateVSyncParametersCallback vsync_callback =
       base::Bind(&ui::Compositor::SetDisplayVSyncParameters, compositor);
   cc::BeginFrameSource* begin_frame_source = nullptr;
   GpuVSyncControl* gpu_vsync_control = nullptr;
 
   std::unique_ptr<BrowserCompositorOutputSurface> display_output_surface;
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
   std::unique_ptr<VulkanBrowserCompositorOutputSurface> vulkan_surface;
   if (vulkan_context_provider) {
     vulkan_surface.reset(new VulkanBrowserCompositorOutputSurface(
         vulkan_context_provider, vsync_callback));
     if (!vulkan_surface->Initialize(compositor.get()->widget())) {
       vulkan_surface->Destroy();
       vulkan_surface.reset();
     } else {
       display_output_surface = std::move(vulkan_surface);
     }
@@ skipping 451 matching lines @@
       shared_vulkan_context_provider_ =
           cc::VulkanInProcessContextProvider::Create();
     }
 
     shared_vulkan_context_provider_initialized_ = true;
   }
   return shared_vulkan_context_provider_;
 }
 
 }  // namespace content