Alter SkCanvas::drawPicture (devirtualize, take const SkPicture, take pointer)

R=reed@google.com, bsalomon@google.com, mtklein@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/313613004
diff --git a/src/utils/SkPictureUtils.cpp b/src/utils/SkPictureUtils.cpp
index a2d6da1..02fa6b1 100644
--- a/src/utils/SkPictureUtils.cpp
+++ b/src/utils/SkPictureUtils.cpp
@@ -214,7 +214,7 @@
     SkNoSaveLayerCanvas canvas(&device);
 
     canvas.clipRect(area, SkRegion::kIntersect_Op, false);
-    canvas.drawPicture(*pict);
+    canvas.drawPicture(pict);
 
     SkData* data = NULL;
     int count = array.count();