--- a/gfx/layers/composite/TextureHost.cpp
+++ b/gfx/layers/composite/TextureHost.cpp
@@ -56,16 +56,18 @@
 #define RECYCLE_LOG(...) printf_stderr(__VA_ARGS__)
 #else
 #define RECYCLE_LOG(...) do { } while (0)
 #endif
 
 namespace mozilla {
 namespace layers {
 
+using gfx::gfxVars;
+
 /**
  * TextureParent is the host-side IPDL glue between TextureClient and TextureHost.
  * It is an IPDL actor just like LayerParent, CompositableParent, etc.
  */
 class TextureParent : public ParentActor<PTextureParent>
 {
 public:
   explicit TextureParent(HostIPCAllocator* aAllocator, uint64_t aSerial, const wr::MaybeExternalImageId& aExternalImageId);