Fix up names from RenderTargetContext to SurfaceDrawContext.

RenderTargetContext was renamed several months ago; this CL just fixes
up a few related names which hadn't yet updated yet.

Change-Id: I59a6ea92fc5d309a9b45a83e3aca6e49cb8d662e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/415745
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/ops/GrTextureOp.cpp b/src/gpu/ops/GrTextureOp.cpp
index afa0017..749d601 100644
--- a/src/gpu/ops/GrTextureOp.cpp
+++ b/src/gpu/ops/GrTextureOp.cpp
@@ -1178,7 +1178,7 @@
 // A helper class that assists in breaking up bulk API quad draws into manageable chunks.
 class GrTextureOp::BatchSizeLimiter {
 public:
-    BatchSizeLimiter(GrSurfaceDrawContext* rtc,
+    BatchSizeLimiter(GrSurfaceDrawContext* sdc,
                      const GrClip* clip,
                      GrRecordingContext* context,
                      int numEntries,
@@ -1188,7 +1188,7 @@
                      SkCanvas::SrcRectConstraint constraint,
                      const SkMatrix& viewMatrix,
                      sk_sp<GrColorSpaceXform> textureColorSpaceXform)
-            : fRTC(rtc)
+            : fSDC(sdc)
             , fClip(clip)
             , fContext(context)
             , fFilter(filter)
@@ -1214,7 +1214,7 @@
                                          fConstraint,
                                          fViewMatrix,
                                          fTextureColorSpaceXform);
-        fRTC->addDrawOp(fClip, std::move(op));
+        fSDC->addDrawOp(fClip, std::move(op));
 
         fNumLeft -= clumpSize;
         fNumClumped += clumpSize;
@@ -1224,7 +1224,7 @@
     int baseIndex() const { return fNumClumped; }
 
 private:
-    GrSurfaceDrawContext*       fRTC;
+    GrSurfaceDrawContext*       fSDC;
     const GrClip*               fClip;
     GrRecordingContext*         fContext;
     GrSamplerState::Filter      fFilter;