removing GrDrawEffect

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/8ddbe8b9366c8c59c4fb55f01f253de8a0b37d6e

R=bsalomon@google.com

Author: joshualitt@chromium.org

Review URL: https://codereview.chromium.org/571163002
diff --git a/src/gpu/effects/GrSimpleTextureEffect.h b/src/gpu/effects/GrSimpleTextureEffect.h
index 49e3d7a..e81dd86 100644
--- a/src/gpu/effects/GrSimpleTextureEffect.h
+++ b/src/gpu/effects/GrSimpleTextureEffect.h
@@ -71,7 +71,7 @@
     }
 
     virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE {
-        const GrSimpleTextureEffect& ste = CastEffect<GrSimpleTextureEffect>(other);
+        const GrSimpleTextureEffect& ste = other.cast<GrSimpleTextureEffect>();
         return this->hasSameTextureParamsMatrixAndSourceCoords(ste);
     }