Add support for new drawPicture entry point to debugger

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 516d58292f0b3301816933cabdc6c377541027dc..228f25f7372b51ca3d3f1c4971dce9e8d6a5b70e 100644
--- a/src/utils/debugger/SkDebugCanvas.cpp
+++ b/src/utils/debugger/SkDebugCanvas.cpp
@@ -519,9 +519,10 @@ void SkDebugCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
     this->addDrawCommand(new SkDrawPathCommand(path, paint));
 }
 
-void SkDebugCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix*, const SkPaint*) {
-    // todo: add matrix and paint to SkDrawPictureCommand
-    this->addDrawCommand(new SkDrawPictureCommand(picture));
+void SkDebugCanvas::onDrawPicture(const SkPicture* picture, 
+                                  const SkMatrix* matrix, 
+                                  const SkPaint* paint) {
+    this->addDrawCommand(new SkDrawPictureCommand(picture, matrix, paint));
 }
 
 void SkDebugCanvas::drawPoints(PointMode mode, size_t count,