Turn ContextInfos returned by GrContextFactory into structs.

tests/ClearTest.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 "Test.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 35 matching lines @@
     context->freeGpuResources();
 
     *dc = context->newDrawContext(SkBackingFit::kExact, w, h, kRGBA_8888_GrPixelConfig);
 
     SkASSERT((*dc)->accessRenderTarget()->getUniqueID() != oldID);
 
     return *dc != nullptr;
 }
 
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ClearBatch, reporter, ctxInfo) {
-    GrContext* context = ctxInfo.fGrContext;
+    GrContext* context = ctxInfo.grContext();
     static const int kW = 10;
     static const int kH = 10;
 
     SkIRect fullRect = SkIRect::MakeWH(kW, kH);
     sk_sp<GrDrawContext> drawContext;
 
     // A rectangle that is inset by one on all sides and the 1-pixel wide rectangles that surround
     // it.
     SkIRect mid1Rect = SkIRect::MakeXYWH(1, 1, kW-2, kH-2);
     SkIRect outerLeftEdge = SkIRect::MakeXYWH(0, 0, 1, kH);
@@ skipping 147 matching lines @@
     }
     if (!check_rect(drawContext.get(), outerLeftEdge, kColor1, &actualValue, &failX, &failY) ||
         !check_rect(drawContext.get(), outerTopEdge, kColor1, &actualValue, &failX, &failY) ||
         !check_rect(drawContext.get(), outerRightEdge, kColor1, &actualValue, &failX, &failY) ||
         !check_rect(drawContext.get(), outerBottomEdge, kColor1, &actualValue, &failX, &failY)) {
         ERRORF(reporter, "Expected 0x%08x but got 0x%08x at (%d, %d).", kColor1, actualValue,
                failX, failY);
     }
 }
 #endif