Rename GrDrawContext to GrRenderTargetContext

This is in preparation for GrTextureContext and GrSurfaceContext

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4030

Change-Id: Ie58c93052e68f3f1f5fe8d15d63760de274a6fbd
Reviewed-on: https://skia-review.googlesource.com/4030
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/tests/DFPathRendererTest.cpp b/tests/DFPathRendererTest.cpp
index 30ca17d..25c8f82 100644
--- a/tests/DFPathRendererTest.cpp
+++ b/tests/DFPathRendererTest.cpp
@@ -17,7 +17,7 @@
 // Because of inaccuracies in large floating point values this causes the
 // the path renderer to attempt to add a path DF to its atlas that is larger
 // than the plot size which used to crash rather than fail gracefully.
-static void test_far_from_origin(GrDrawContext* drawContext, GrPathRenderer* pr,
+static void test_far_from_origin(GrRenderTargetContext* renderTargetContext, GrPathRenderer* pr,
                                  GrResourceProvider* rp) {
     SkPath path;
     path.lineTo(49.0255089839f, 0.473541f);
@@ -48,7 +48,7 @@
     GrPathRenderer::DrawPathArgs args;
     args.fPaint = &paint;
     args.fUserStencilSettings = &GrUserStencilSettings::kUnused;
-    args.fDrawContext = drawContext;
+    args.fRenderTargetContext = renderTargetContext;
     args.fClip = &noClip;
     args.fResourceProvider = rp;
     args.fViewMatrix = &matrix;
@@ -63,22 +63,23 @@
     if (!ctxInfo.grContext()->caps()->shaderCaps()->shaderDerivativeSupport()) {
         return;
     }
-    sk_sp<GrDrawContext> dc(ctxInfo.grContext()->makeDrawContext(SkBackingFit::kApprox,
-                                                                 800, 800,
-                                                                 kRGBA_8888_GrPixelConfig,
-                                                                 nullptr,
-                                                                 0,
-                                                                 kTopLeft_GrSurfaceOrigin));
-    if (!dc) {
+    sk_sp<GrRenderTargetContext> rtc(ctxInfo.grContext()->makeRenderTargetContext(
+                                                                         SkBackingFit::kApprox,
+                                                                         800, 800,
+                                                                         kRGBA_8888_GrPixelConfig,
+                                                                         nullptr,
+                                                                         0,
+                                                                         kTopLeft_GrSurfaceOrigin));
+    if (!rtc) {
         return;
     }
 
     GrAADistanceFieldPathRenderer dfpr;
     GrTestTarget tt;
-    ctxInfo.grContext()->getTestTarget(&tt, dc);
+    ctxInfo.grContext()->getTestTarget(&tt, rtc);
     GrResourceProvider* rp = tt.resourceProvider();
 
-    test_far_from_origin(dc.get(), &dfpr, rp);
+    test_far_from_origin(rtc.get(), &dfpr, rp);
     ctxInfo.grContext()->flush();
 }
 #endif