call drawRect to try GrAARectRenderer if the path is a rect

src/pipe/SkGPipeWrite.cpp

Index: src/pipe/SkGPipeWrite.cpp
diff --git a/src/pipe/SkGPipeWrite.cpp b/src/pipe/SkGPipeWrite.cpp
index 57d4a0fdc345ee57263420a44fb08ae19e7d6783..f14cdacc9b21f03a3492bb505b3726e5a5499d94 100644
--- a/src/pipe/SkGPipeWrite.cpp
+++ b/src/pipe/SkGPipeWrite.cpp
@@ -224,9 +224,7 @@ public:
     virtual void drawPoints(PointMode, size_t count, const SkPoint pts[],
                             const SkPaint&) SK_OVERRIDE;
     virtual void drawOval(const SkRect&, const SkPaint&) SK_OVERRIDE;
-    virtual void drawRect(const SkRect& rect, const SkPaint&) SK_OVERRIDE;
     virtual void drawRRect(const SkRRect&, const SkPaint&) SK_OVERRIDE;
-    virtual void drawPath(const SkPath& path, const SkPaint&) SK_OVERRIDE;
     virtual void drawBitmap(const SkBitmap&, SkScalar left, SkScalar top,
                             const SkPaint*) SK_OVERRIDE;
     virtual void drawBitmapRectToRect(const SkBitmap&, const SkRect* src,
@@ -264,6 +262,11 @@ public:
      * according to slot.
      */
     bool shuttleBitmap(const SkBitmap&, int32_t slot);
+
+protected:
+    virtual void onDrawRect(const SkRect& rect, const SkPaint&) SK_OVERRIDE;
+    virtual void onDrawPath(const SkPath& path, const SkPaint&) SK_OVERRIDE;
+
 private:
     enum {
         kNoSaveLayer = -1,
@@ -715,7 +718,7 @@ void SkGPipeCanvas::drawOval(const SkRect& rect, const SkPaint& paint) {
     }
 }
 
-void SkGPipeCanvas::drawRect(const SkRect& rect, const SkPaint& paint) {
+void SkGPipeCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
     NOTIFY_SETUP(this);
     this->writePaint(paint);
     if (this->needOpBytes(sizeof(SkRect))) {
@@ -733,7 +736,7 @@ void SkGPipeCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
     }
 }
 
-void SkGPipeCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
+void SkGPipeCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
     NOTIFY_SETUP(this);
     this->writePaint(paint);
     if (this->needOpBytes(path.writeToMemory(NULL))) {