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

src/utils/debugger/SkDrawCommand.h

Index: src/utils/debugger/SkDrawCommand.h
diff --git a/src/utils/debugger/SkDrawCommand.h b/src/utils/debugger/SkDrawCommand.h
index f2e151ae4f40ef3a30eb99d326fea387dce87e3c..a0bfb2ddca5e5fa05ea382eafe72132cbea0144d 100644
--- a/src/utils/debugger/SkDrawCommand.h
+++ b/src/utils/debugger/SkDrawCommand.h
@@ -343,12 +343,12 @@ private:
 
 class SkDrawPictureCommand : public SkDrawCommand {
 public:
-    SkDrawPictureCommand(SkPicture& picture);
+    SkDrawPictureCommand(const SkPicture* picture);
     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 
 private:
-    SkPicture fPicture;
+    SkAutoTUnref<const SkPicture> fPicture;
 
     typedef SkDrawCommand INHERITED;
 };