media: Convert mojo media defines to buildflags

content/utility/utility_service_factory.cc

Index: content/utility/utility_service_factory.cc
diff --git a/content/utility/utility_service_factory.cc b/content/utility/utility_service_factory.cc
index 894bdbe02d16c186c805d2bb77c5a6578a67d813..2f95ab61a62d1c9a09d73429b3935e218d85ed29 100644
--- a/content/utility/utility_service_factory.cc
+++ b/content/utility/utility_service_factory.cc
@@ -14,6 +14,7 @@
 #include "content/public/utility/content_utility_client.h"
 #include "content/public/utility/utility_thread.h"
 #include "content/utility/utility_thread_impl.h"
+#include "media/mojo/features.h"
 #include "services/data_decoder/data_decoder_service.h"
 #include "services/data_decoder/public/interfaces/constants.mojom.h"
 #include "services/shape_detection/public/interfaces/constants.mojom.h"
@@ -21,7 +22,7 @@
 #include "services/video_capture/public/interfaces/constants.mojom.h"
 #include "services/video_capture/service_impl.h"
 
-#if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
+#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
 #include "media/mojo/services/media_service_factory.h"  // nogncheck
 #endif
 
@@ -57,11 +58,12 @@ void UtilityServiceFactory::RegisterServices(ServiceMap* services) {
   services->insert(
       std::make_pair(video_capture::mojom::kServiceName, video_capture_info));
 
-#if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
+#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
   ServiceInfo info;
   info.factory = base::Bind(&media::CreateMediaService);
   services->insert(std::make_pair("media", info));
 #endif
+
   ServiceInfo shape_detection_info;
   shape_detection_info.factory =
       base::Bind(&shape_detection::ShapeDetectionService::Create);