| Index: ui/gfx/mojo/buffer_types.mojom | 
| diff --git a/ui/gfx/mojo/buffer_types.mojom b/ui/gfx/mojo/buffer_types.mojom | 
| index 057831195cb1a521bbf6ddcbf35e4a2eb6fcb131..251fe1c40f4755bb8ebe2908f8f3c82bec6283c2 100644 | 
| --- a/ui/gfx/mojo/buffer_types.mojom | 
| +++ b/ui/gfx/mojo/buffer_types.mojom | 
| @@ -31,6 +31,7 @@ enum BufferFormat { | 
| enum BufferUsage { | 
| GPU_READ, | 
| SCANOUT, | 
| +  SCANOUT_ASYNC, | 
| SCANOUT_CPU_READ_WRITE, | 
| GPU_READ_CPU_READ_WRITE, | 
| GPU_READ_CPU_READ_WRITE_PERSISTENT, | 
| @@ -44,7 +45,8 @@ enum GpuMemoryBufferType { | 
| SHARED_MEMORY_BUFFER, | 
| IO_SURFACE_BUFFER, | 
| NATIVE_PIXMAP, | 
| -  LAST = NATIVE_PIXMAP | 
| +  DIRECT_COMPOSITION, | 
| +  LAST = DIRECT_COMPOSITION | 
| }; | 
|  | 
| // gfx::GpuMemoryBufferId | 
|  |