Remove origin from GrSurfaceProxy.

Bug: skia:9556
Change-Id: Ic95a3a6b11e1ff8a6f6b2f5c5aeb9037b72aae90
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/270840
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/ops/GrShadowRRectOp.cpp b/src/gpu/ops/GrShadowRRectOp.cpp
index e1209ee..6d1a36b 100644
--- a/src/gpu/ops/GrShadowRRectOp.cpp
+++ b/src/gpu/ops/GrShadowRRectOp.cpp
@@ -646,8 +646,8 @@
 
     GrProxyProvider* proxyProvider = context->priv().proxyProvider();
 
-    if (sk_sp<GrTextureProxy> falloffTexture = proxyProvider->findOrCreateProxyByUniqueKey(
-                key, GrColorType::kAlpha_8, kTopLeft_GrSurfaceOrigin)) {
+    if (sk_sp<GrTextureProxy> falloffTexture =
+                proxyProvider->findOrCreateProxyByUniqueKey(key, GrColorType::kAlpha_8)) {
         GrSwizzle swizzle = context->priv().caps()->getReadSwizzle(falloffTexture->backendFormat(),
                                                                    GrColorType::kAlpha_8);
         return {std::move(falloffTexture), kTopLeft_GrSurfaceOrigin, swizzle};