Remove remaining users of draw*Rect calls

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1579223003

Review URL: https://codereview.chromium.org/1579223003
diff --git a/src/gpu/GrDrawTarget.cpp b/src/gpu/GrDrawTarget.cpp
index 0389d92..e2e188e 100644
--- a/src/gpu/GrDrawTarget.cpp
+++ b/src/gpu/GrDrawTarget.cpp
@@ -350,25 +350,6 @@
     this->recordBatch(batch);
 }
 
-void GrDrawTarget::drawNonAARect(const GrPipelineBuilder& pipelineBuilder,
-                              GrColor color,
-                              const SkMatrix& viewMatrix,
-                              const SkRect& rect) {
-   SkAutoTUnref<GrDrawBatch> batch(GrRectBatchFactory::CreateNonAAFill(color, viewMatrix, rect,
-                                                                       nullptr, nullptr));
-   this->drawBatch(pipelineBuilder, batch);
-}
-
-void GrDrawTarget::drawAARect(const GrPipelineBuilder& pipelineBuilder,
-                              GrColor color,
-                              const SkMatrix& viewMatrix,
-                              const SkRect& rect,
-                              const SkRect& devRect) {
-    SkAutoTUnref<GrDrawBatch> batch(GrRectBatchFactory::CreateAAFill(color, viewMatrix, rect,
-                                                                     devRect));
-    this->drawBatch(pipelineBuilder, batch);
-}
-
 void GrDrawTarget::clear(const SkIRect* rect,
                          GrColor color,
                          bool canIgnoreRect,
@@ -400,7 +381,11 @@
             GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode))->unref();
         pipelineBuilder.setRenderTarget(renderTarget);
 
-        this->drawNonAARect(pipelineBuilder, color, SkMatrix::I(), *rect);
+        SkRect scalarRect = SkRect::Make(*rect);
+        SkAutoTUnref<GrDrawBatch> batch(
+                GrRectBatchFactory::CreateNonAAFill(color, SkMatrix::I(), scalarRect,
+                                                    nullptr, nullptr));
+        this->drawBatch(pipelineBuilder, batch);
     } else {
         GrBatch* batch = new GrClearBatch(*rect, color, renderTarget);
         this->recordBatch(batch);