One signature for creating unit tests that run on premade GrContexts

tests/BitmapCopyTest.cpp

Index: tests/BitmapCopyTest.cpp
diff --git a/tests/BitmapCopyTest.cpp b/tests/BitmapCopyTest.cpp
index 216e04273f8bf53a230a0aa79ba74cb55ac7c4db..fb38c7e46fae47dac429a59e3b910da818227e4d 100644
--- a/tests/BitmapCopyTest.cpp
+++ b/tests/BitmapCopyTest.cpp
@@ -639,7 +639,7 @@ DEF_TEST(BitmapReadPixels, reporter) {
 #include "SkColorPriv.h"
 /** Tests calling copyTo on a texture backed bitmap. Tests that all BGRA_8888/RGBA_8888 combinations
     of src and dst work. This test should be removed when SkGrPixelRef is removed. */
-DEF_GPUTEST_FOR_RENDERING_CONTEXTS(BitmapCopy_Texture, reporter, ctx) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(BitmapCopy_Texture, reporter, ctxInfo) {
     static const SkPMColor kData[] = {
         0xFF112233, 0xAF224499,
         0xEF004466, 0x80773311
@@ -667,7 +667,8 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(BitmapCopy_Texture, reporter, ctx) {
             const void* srcData = (kSkia8888_GrPixelConfig == desc.fConfig) ? kData : swizData;
 
             SkAutoTUnref<GrTexture> texture(
-                ctx->textureProvider()->createTexture(desc, SkBudgeted::kNo, srcData, 0));
+                ctxInfo.fGrContext->textureProvider()->createTexture(desc, SkBudgeted::kNo, srcData,
+                                                                     0));
 
             if (!texture) {
                 continue;