Change SkPicture::draw to playback

R=reed@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/540963002
diff --git a/dm/DMQuiltTask.cpp b/dm/DMQuiltTask.cpp
index a824de0..6ffe360 100644
--- a/dm/DMQuiltTask.cpp
+++ b/dm/DMQuiltTask.cpp
@@ -46,7 +46,7 @@
         SkCanvas tileCanvas(tile);
 
         tileCanvas.translate(SkIntToScalar(-fX), SkIntToScalar(-fY));
-        fPicture.draw(&tileCanvas);
+        fPicture.playback(&tileCanvas);
         tileCanvas.flush();
 
         delete this;
@@ -92,7 +92,7 @@
     if (fGM->getFlags() & skiagm::GM::kSkipTiled_Flag) {
         // Some GMs don't draw exactly the same when tiled.  Draw them in one go.
         SkCanvas canvas(full);
-        recorded->draw(&canvas);
+        recorded->playback(&canvas);
         canvas.flush();
     } else {
         // Draw tiles in parallel into the same bitmap, simulating aggressive impl-side painting.