Revert of remove drawSprite from canvas

gm/dropshadowimagefilter.cpp

Index: gm/dropshadowimagefilter.cpp
diff --git a/gm/dropshadowimagefilter.cpp b/gm/dropshadowimagefilter.cpp
index 512c82de01da27f08ca436a99934927148c5dfcf..81824ab7977cf5cfc69e90b38e2136dd650f0b59 100644
--- a/gm/dropshadowimagefilter.cpp
+++ b/gm/dropshadowimagefilter.cpp
@@ -67,6 +67,29 @@
     canvas->restore();
 }
 
+static void draw_sprite(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) {
+    SkPaint paint;
+
+    SkIRect bounds;
+    r.roundOut(&bounds);
+
+    SkBitmap bm;
+    bm.allocN32Pixels(bounds.width(), bounds.height());
+    bm.eraseColor(SK_ColorRED);
+    SkCanvas c(bm);
+
+    SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44);
+    paint.setColor(SK_ColorGREEN);
+    c.drawRect(SkRect::Make(cropRect), paint);
+
+    paint.setImageFilter(imf);
+    SkPoint loc = { r.fLeft, r.fTop };
+    canvas->getTotalMatrix().mapPoints(&loc, 1);
+    canvas->drawSprite(bm,
+                       SkScalarRoundToInt(loc.fX), SkScalarRoundToInt(loc.fY),
+                       &paint);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 class DropShadowImageFilterGM : public skiagm::GM {
@@ -90,7 +113,7 @@
 
     virtual void onDraw(SkCanvas* canvas) {
         void (*drawProc[])(SkCanvas*, const SkRect&, SkImageFilter*) = {
-            draw_bitmap, draw_path, draw_paint, draw_text
+            draw_sprite, draw_bitmap, draw_path, draw_paint, draw_text
         };
 
         SkAutoTUnref<SkColorFilter> cf(