call drawRect to try GrAARectRenderer if the path is a rect

src/core/SkCanvas.cpp

Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 7add524260be09811e3ebd8b63726320213e7b90..8fbdda62c10938a08cca903c2b8147598f242a92 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1631,7 +1631,7 @@ void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[],
     LOOPER_END
 }
 
-void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) {
+void SkCanvas::onDrawRect(const SkRect& r, const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
 
     if (paint.canComputeFastBounds()) {
@@ -1699,7 +1699,7 @@ void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
 }
 
 
-void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
+void SkCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
 
     if (!path.isFinite()) {