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

content/browser/renderer_host/compositor_impl_android.cc

 // 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.
 
 #include "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 #include <stdint.h>
 #include <unordered_set>
@@ skipping 43 matching lines @@
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/host_shared_bitmap_manager.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/browser/android/compositor_client.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/ipc/client/command_buffer_proxy_impl.h"
 #include "gpu/ipc/client/gpu_channel_host.h"
 #include "gpu/ipc/common/gpu_surface_tracker.h"
+#include "gpu/vulkan/features.h"
 #include "gpu/vulkan/vulkan_surface.h"
 #include "services/ui/public/cpp/gpu/context_provider_command_buffer.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/core/SkMallocPixelRef.h"
 #include "ui/android/window_android.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/swap_result.h"
 
@@ skipping 18 matching lines @@
   ~SingleThreadTaskGraphRunner() override { Shutdown(); }
 };
 
 struct CompositorDependencies {
   CompositorDependencies() : frame_sink_id_allocator(kDefaultClientId) {}
 
   SingleThreadTaskGraphRunner task_graph_runner;
   cc::SurfaceManager surface_manager;
   cc::FrameSinkIdAllocator frame_sink_id_allocator;
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
   scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider;
 #endif
 };
 
 base::LazyInstance<CompositorDependencies>::DestructorAtExit
     g_compositor_dependencies = LAZY_INSTANCE_INITIALIZER;
 
 const unsigned int kMaxDisplaySwapBuffers = 1U;
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
 scoped_refptr<cc::VulkanContextProvider> GetSharedVulkanContextProvider() {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableVulkan)) {
     scoped_refptr<cc::VulkanContextProvider> context_provider =
         g_compositor_dependencies.Get().vulkan_context_provider;
     if (!*context_provider)
       *context_provider = cc::VulkanInProcessContextProvider::Create();
     return *context_provider;
   }
   return nullptr;
@@ skipping 174 matching lines @@
     swap_buffers_callback_.Run();
   }
 
  private:
   cc::OutputSurfaceClient* client_ = nullptr;
   base::Closure swap_buffers_callback_;
   std::unique_ptr<cc::OverlayCandidateValidator> overlay_candidate_validator_;
   base::WeakPtrFactory<AndroidOutputSurface> weak_ptr_factory_;
 };
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
 class VulkanOutputSurface : public cc::OutputSurface {
  public:
   explicit VulkanOutputSurface(
       scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider,
       scoped_refptr<base::SingleThreadTaskRunner> task_runner)
       : OutputSurface(std::move(vulkan_context_provider)),
         task_runner_(std::move(task_runner)),
         weak_ptr_factory_(this) {}
 
   ~VulkanOutputSurface() override { Destroy(); }
@@ skipping 302 matching lines @@
   NOTREACHED();
 }
 
 void CompositorImpl::HandlePendingCompositorFrameSinkRequest() {
   DCHECK(compositor_frame_sink_request_pending_);
 
   // We might have been made invisible now.
   if (!host_->IsVisible())
     return;
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
   CreateVulkanOutputSurface()
   if (display_)
     return;
 #endif
 
 #if defined(ADDRESS_SANITIZER) || defined(THREAD_SANITIZER) || \
     defined(SYZYASAN) || defined(CYGPROFILE_INSTRUMENTATION)
   const int64_t kGpuChannelTimeoutInSeconds = 40;
 #else
   // The GPU watchdog timeout is 15 seconds (1.5x the kGpuTimeout value due to
@@ skipping 10 matching lines @@
 
   DCHECK(surface_handle_ != gpu::kNullSurfaceHandle);
   BrowserGpuChannelHostFactory::instance()->EstablishGpuChannel(base::Bind(
       &CompositorImpl::OnGpuChannelEstablished, weak_factory_.GetWeakPtr()));
 }
 
 void CompositorImpl::OnGpuChannelTimeout() {
   LOG(FATAL) << "Timed out waiting for GPU channel.";
 }
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
 void CompositorImpl::CreateVulkanOutputSurface() {
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableVulkan))
     return;
 
   scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider =
       GetSharedVulkanContextProvider();
   if (!vulkan_context_provider)
     return;
 
@@ skipping 182 matching lines @@
   }
   GetSurfaceManager()->UnregisterFrameSinkHierarchy(frame_sink_id_,
                                                     frame_sink_id);
 }
 
 bool CompositorImpl::HavePendingReadbacks() {
   return !readback_layer_tree_->children().empty();
 }
 
 }  // namespace content