Reduce dependence on GrSurface's origin field

Unfortunately, GrGPU and its ilk are still using the GrSurface's origin a lot. I will clean that up in a second CL.

Change-Id: Iba729440ce8ea8d24bb7f4e5de55ed576a0f176d
Reviewed-on: https://skia-review.googlesource.com/24700
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/tests/ImageFilterCacheTest.cpp b/tests/ImageFilterCacheTest.cpp
index d718181..86ecb15 100644
--- a/tests/ImageFilterCacheTest.cpp
+++ b/tests/ImageFilterCacheTest.cpp
@@ -190,8 +190,9 @@
     SkBitmap srcBM = create_bm();
 
     GrSurfaceDesc desc;
-    desc.fConfig = kRGBA_8888_GrPixelConfig;
     desc.fFlags  = kNone_GrSurfaceFlags;
+    desc.fOrigin = kTopLeft_GrSurfaceOrigin;
+    desc.fConfig = kRGBA_8888_GrPixelConfig;
     desc.fWidth  = kFullSize;
     desc.fHeight = kFullSize;