Turn ContextInfos returned by GrContextFactory into structs.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1966013002

Review-Url: https://codereview.chromium.org/1966013002
diff --git a/tests/BlurTest.cpp b/tests/BlurTest.cpp
index 2f5407c..731657a 100644
--- a/tests/BlurTest.cpp
+++ b/tests/BlurTest.cpp
@@ -559,7 +559,7 @@
 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SmallBoxBlurBug, reporter, ctxInfo) {
 
     SkImageInfo info = SkImageInfo::MakeN32Premul(128, 128);
-    auto surface(SkSurface::MakeRenderTarget(ctxInfo.fGrContext, SkBudgeted::kNo, info));
+    auto surface(SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kNo, info));
     SkCanvas* canvas = surface->getCanvas();
 
     SkRect r = SkRect::MakeXYWH(10, 10, 100, 100);