Change SkPicture::draw to playback

R=reed@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/540963002
diff --git a/tools/gpuveto.cpp b/tools/gpuveto.cpp
index bfe3837..4e9fdeb 100644
--- a/tools/gpuveto.cpp
+++ b/tools/gpuveto.cpp
@@ -55,9 +55,9 @@
     // The SkPicture tracking information is only generated during recording
     // an isn't serialized. Replay the picture to regenerated the tracking data.
     SkPictureRecorder recorder;
-    picture->draw(recorder.beginRecording(picture->cullRect().width(), 
-                                          picture->cullRect().height(), 
-                                          NULL, 0));
+    picture->playback(recorder.beginRecording(picture->cullRect().width(), 
+                                              picture->cullRect().height(), 
+                                              NULL, 0));
     SkAutoTUnref<SkPicture> recorded(recorder.endRecording());
 
     if (recorded->suitableForGpuRasterization(NULL)) {