Turn ContextInfos returned by GrContextFactory into structs.

tests/SpecialImageTest.cpp

Index: tests/SpecialImageTest.cpp
diff --git a/tests/SpecialImageTest.cpp b/tests/SpecialImageTest.cpp
index f5174478ef27e672adbb439918b9cb63c33d8f83..06c852d5116bab377b36b9627ebbc0368479a0e5 100644
--- a/tests/SpecialImageTest.cpp
+++ b/tests/SpecialImageTest.cpp
@@ -210,7 +210,7 @@ static void test_texture_backed(skiatest::Reporter* reporter,
 
 // Test out the SkSpecialImage::makeTextureImage entry point
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
-    GrContext* context = ctxInfo.fGrContext;
+    GrContext* context = ctxInfo.grContext();
     SkBitmap bm = create_bm();
 
     const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
@@ -272,7 +272,7 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo)
 }
 
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
-    GrContext* context = ctxInfo.fGrContext;
+    GrContext* context = ctxInfo.grContext();
     SkBitmap bm = create_bm();
 
     GrSurfaceDesc desc;