GpuMemoryBufferFactoryOzoneNativePixmap: expose supported GMB attribs

gpu/ipc/service/gpu_memory_buffer_factory.h

Index: gpu/ipc/service/gpu_memory_buffer_factory.h
diff --git a/gpu/ipc/service/gpu_memory_buffer_factory.h b/gpu/ipc/service/gpu_memory_buffer_factory.h
index 55c83dc14b7dface59341fb686c6cdc608c984d1..389d74f9823fd76d6813f35c943a3281d729eb31 100644
--- a/gpu/ipc/service/gpu_memory_buffer_factory.h
+++ b/gpu/ipc/service/gpu_memory_buffer_factory.h
@@ -37,6 +37,9 @@ class GPU_EXPORT GpuMemoryBufferFactory {
       int client_id,
       SurfaceHandle surface_handle) = 0;
 
+  virtual gfx::GpuMemoryBufferAttribVector
+  GetGpuMemoryBufferAttribsForUsage(gfx::BufferUsage usage);
+
   // Destroys GPU memory buffer identified by |id|.
   // It can be called on any thread.
   virtual void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,