Creating framework for drawShadowedPicture

src/core/SkRecorder.cpp

Index: src/core/SkRecorder.cpp
diff --git a/src/core/SkRecorder.cpp b/src/core/SkRecorder.cpp
index c7869bb6a46b1a4ea07a03fe1b7e846609165ca5..33c538012f77fe58683e2322a6cf1d4d72707d2c 100644
--- a/src/core/SkRecorder.cpp
+++ b/src/core/SkRecorder.cpp
@@ -305,6 +305,20 @@ void SkRecorder::onDrawPicture(const SkPicture* pic, const SkMatrix* matrix, con
     }
 }
 
+void SkRecorder::onDrawShadowedPicture(const SkPicture* pic,
+                                       const SkMatrix* matrix,
+                                       const SkPaint* paint) {
+    if (fDrawPictureMode == Record_DrawPictureMode) {
+        fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
+        APPEND(DrawShadowedPicture, this->copy(paint), pic, matrix ? *matrix : SkMatrix::I());
+    } else {
+        SkASSERT(fDrawPictureMode == Playback_DrawPictureMode);
+        SkAutoCanvasMatrixPaint acmp(this,  matrix, paint, pic->cullRect());
+        pic->playback(this);
+    }
+}
+
+
 void SkRecorder::onDrawVertices(VertexMode vmode,
                                 int vertexCount, const SkPoint vertices[],
                                 const SkPoint texs[], const SkColor colors[],