media: Convert mojo media defines to buildflags

content/gpu/gpu_service_factory.h

 // Copyright 2015 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_GPU_GPU_SERVICE_FACTORY_H_
 #define CONTENT_GPU_GPU_SERVICE_FACTORY_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "content/child/service_factory.h"
+#include "media/mojo/features.h"
 
 namespace media {
 class MediaGpuChannelManager;
 }
 
 namespace content {
 
 // Customization of ServiceFactory for the GPU process.
 class GpuServiceFactory : public ServiceFactory {
  public:
   explicit GpuServiceFactory(
       base::WeakPtr<media::MediaGpuChannelManager> media_gpu_channel_manager);
   ~GpuServiceFactory() override;
 
   // ServiceFactory overrides:
   void RegisterServices(ServiceMap* services) override;
 
  private:
-#if defined(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
+#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
   // Task runner we were constructed on, and that |media_gpu_channel_manager_|
   // must be accessed from (the GPU main thread task runner). We expect
   // RegisterServices() to be called on this task runner as well, but the
   // implementation doesn't care.
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::WeakPtr<media::MediaGpuChannelManager> media_gpu_channel_manager_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(GpuServiceFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_GPU_GPU_SERVICE_FACTORY_H_