Index: mojo/services/gpu/public/interfaces/gpu.mojom |
diff --git a/mojo/services/gpu/public/interfaces/gpu.mojom b/mojo/services/gpu/public/interfaces/gpu.mojom |
index 4e0ef5137350c469590ffd12fb927ad75bbf6bcc..5ac99bfd3ad9affe3de04149756f5248717f5ebb 100644 |
--- a/mojo/services/gpu/public/interfaces/gpu.mojom |
+++ b/mojo/services/gpu/public/interfaces/gpu.mojom |
@@ -12,6 +12,6 @@ interface Gpu { |
CreateOnscreenGLES2Context(uint64 native_viewport_id, |
Size size, |
CommandBuffer& gles2_client, |
- ViewportParameterListener listener); |
+ ViewportParameterListener? listener); |
CreateOffscreenGLES2Context(CommandBuffer& gles2_client); |
}; |