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

src/utils/SkDeferredCanvas.cpp

Index: src/utils/SkDeferredCanvas.cpp
diff --git a/src/utils/SkDeferredCanvas.cpp b/src/utils/SkDeferredCanvas.cpp
index 02c2c5af285e47d22d224e0a9e84cd9b3ecc5264..e244505263d57079e379b89753279f6f454c18b1 100644
--- a/src/utils/SkDeferredCanvas.cpp
+++ b/src/utils/SkDeferredCanvas.cpp
@@ -936,7 +936,7 @@ void SkDeferredCanvas::onDrawTextOnPath(const void* text, size_t byteLength, con
     this->recordedDrawCommand();
 }
 
-void SkDeferredCanvas::drawPicture(SkPicture& picture) {
+void SkDeferredCanvas::onDrawPicture(const SkPicture* picture) {
     this->drawingCanvas()->drawPicture(picture);
     this->recordedDrawCommand();
 }