Turn ContextInfos returned by GrContextFactory into structs.

tests/SpecialImageTest.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file
  */
 
 #include "SkAutoPixmapStorage.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 192 matching lines @@
                                 const sk_sp<SkSpecialImage>& gpuBacked) {
     REPORTER_ASSERT(reporter, gpuBacked);
     REPORTER_ASSERT(reporter, gpuBacked->isTextureBacked());
     REPORTER_ASSERT(reporter, gpuBacked->uniqueID() == orig->uniqueID());
     REPORTER_ASSERT(reporter, gpuBacked->subset().width() == orig->subset().width() &&
                               gpuBacked->subset().height() == orig->subset().height());
 }
 
 // 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);
 
     {
         // raster
         sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster(
                                                                         SkIRect::MakeWH(kFullSize,
                                                                                         kFullSize),
                                                                         bm));
@@ skipping 41 matching lines @@
         {
             sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset));
 
             sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context));
             test_texture_backed(reporter, subGPUImage, fromSubGPU);
         }
     }
 }
 
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
-    GrContext* context = ctxInfo.fGrContext;
+    GrContext* context = ctxInfo.grContext();
     SkBitmap bm = create_bm();
 
     GrSurfaceDesc desc;
     desc.fConfig = kSkia8888_GrPixelConfig;
     desc.fFlags  = kNone_GrSurfaceFlags;
     desc.fWidth  = kFullSize;
     desc.fHeight = kFullSize;
 
     sk_sp<GrTexture> texture(context->textureProvider()->createTexture(desc,
                                                                        SkBudgeted::kNo,
@@ skipping 17 matching lines @@
         test_image(subSImg1, reporter, context, true, kPad, kFullSize);
     }
 
     {
         sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset));
         test_image(subSImg2, reporter, context, true, kPad, kFullSize);
     }
 }
 
 #endif