media: Add GpuMojoMediaClient.

media/mojo/services/media_service_factory.h

Index: media/mojo/services/media_service_factory.h
diff --git a/media/mojo/services/media_service_factory.h b/media/mojo/services/media_service_factory.h
index 8e89c20771090505c427d076a1f3c84b4165073a..4fd90db5a85e7579c8b0beb79603818cb5c19383 100644
--- a/media/mojo/services/media_service_factory.h
+++ b/media/mojo/services/media_service_factory.h
@@ -7,18 +7,27 @@
 
 #include <memory>
 
-#include "base/callback_forward.h"
+#include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
 #include "media/mojo/services/media_mojo_export.h"
 #include "services/service_manager/public/cpp/service.h"
 
 namespace media {
 
+class MediaGpuChannelManager;
+
 // Creates a MediaService instance using the default MojoMediaClient on each
 // platform. Uses the TestMojoMediaClient if |enable_test_mojo_media_client| is
 // true.
 std::unique_ptr<service_manager::Service> MEDIA_MOJO_EXPORT
 CreateMediaService();
 
+// Creates a MediaService instance using the GpuMojoMediaClient.
+std::unique_ptr<service_manager::Service> MEDIA_MOJO_EXPORT
+CreateGpuMediaService(
+    scoped_refptr<base::SingleThreadTaskRunner> media_task_runner,
+    MediaGpuChannelManager* media_gpu_channel_manager);
+
 // Creates a MediaService instance using the TestMojoMediaClient.
 std::unique_ptr<service_manager::Service> MEDIA_MOJO_EXPORT
 CreateMediaServiceForTesting();