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

content/browser/browser_main_loop.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/browser_main_loop.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 75 matching lines @@
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/tracing_controller.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "content/public/common/result_codes.h"
 #include "device/battery/battery_status_service.h"
 #include "device/gamepad/gamepad_service.h"
 #include "device/sensors/device_sensor_service.h"
+#include "gpu/vulkan/features.h"
 #include "media/audio/audio_system_impl.h"
 #include "media/base/media.h"
 #include "media/base/user_input_monitor.h"
 #include "media/midi/midi_service.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/scoped_ipc_support.h"
 #include "net/base/network_change_notifier.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/ssl/ssl_config_service.h"
 #include "ppapi/features/features.h"
@@ skipping 93 matching lines @@
 #include "gpu/config/gpu_driver_bug_workaround_type.h"
 #include "ui/base/x/x11_util_internal.h"  // nogncheck
 #include "ui/gfx/x/x11_connection.h"  // nogncheck
 #include "ui/gfx/x/x11_types.h"  // nogncheck
 #endif
 
 #if defined(USE_NSS_CERTS)
 #include "crypto/nss_util.h"
 #endif
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
 #include "gpu/vulkan/vulkan_implementation.h"
 #endif
 
 // One of the linux specific headers defines this as a macro.
 #ifdef DestroyAll
 #undef DestroyAll
 #endif
 
 namespace content {
 namespace {
@@ skipping 1205 matching lines @@
 
   indexed_db_thread_.reset(new base::Thread("IndexedDB"));
   indexed_db_thread_->Start();
 
   HistogramSynchronizer::GetInstance();
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
   // Up the priority of the UI thread.
   base::PlatformThread::SetCurrentThreadPriority(base::ThreadPriority::DISPLAY);
 #endif
 
-#if defined(ENABLE_VULKAN)
+#if BUILDFLAG(ENABLE_VULKAN)
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableVulkan)) {
     gpu::InitializeVulkan();
   }
 #endif
 
   // Initialize the GPU shader cache. This needs to be initialized before
   // BrowserGpuChannelHostFactory below, since that depends on an initialized
   // ShaderCacheFactory.
   InitShaderCacheFactorySingleton(
@@ skipping 341 matching lines @@
         BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE),
         MediaInternals::GetInstance());
   }
   CHECK(audio_manager_);
 
   audio_system_ = media::AudioSystemImpl::Create(audio_manager_.get());
   CHECK(audio_system_);
 }
 
 }  // namespace content