BUG=skia:

(mtklein from here on)
No public API changes.
TBR=reed@google.com

Committed: https://skia.googlesource.com/skia/+/f8d24e2c0c7b44b7ccf20e40890514db4cde7b15

Review URL: https://codereview.chromium.org/939123002
diff --git a/src/core/SkScalerContext.h b/src/core/SkScalerContext.h
index 4677635..02b3a76 100644
--- a/src/core/SkScalerContext.h
+++ b/src/core/SkScalerContext.h
@@ -14,7 +14,7 @@
 #include "SkPaint.h"
 #include "SkTypeface.h"
 
-struct SkGlyph;
+class SkGlyph;
 class SkDescriptor;
 class SkMaskFilter;
 class SkPathEffect;