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

src/utils/debugger/SkDebugCanvas.cpp

Index: src/utils/debugger/SkDebugCanvas.cpp
diff --git a/src/utils/debugger/SkDebugCanvas.cpp b/src/utils/debugger/SkDebugCanvas.cpp
index 89a388e11003d0958131367356d91444a3f9a506..8f6dc1b7a279f42a25ce5cfb5a36a54e85e12b41 100644
--- a/src/utils/debugger/SkDebugCanvas.cpp
+++ b/src/utils/debugger/SkDebugCanvas.cpp
@@ -519,7 +519,7 @@ void SkDebugCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
     this->addDrawCommand(new SkDrawPathCommand(path, paint));
 }
 
-void SkDebugCanvas::drawPicture(SkPicture& picture) {
+void SkDebugCanvas::onDrawPicture(const SkPicture* picture) {
     this->addDrawCommand(new SkDrawPictureCommand(picture));
 }