Creating framework for drawShadowedPicture

tools/debugger/SkDrawCommand.h

Index: tools/debugger/SkDrawCommand.h
diff --git a/tools/debugger/SkDrawCommand.h b/tools/debugger/SkDrawCommand.h
index a7e6c73802bdee18e30d37f0efced17555376a0d..14a7af58827f268fe9bf2f9d674e217bfbe927a5 100644
--- a/tools/debugger/SkDrawCommand.h
+++ b/tools/debugger/SkDrawCommand.h
@@ -24,6 +24,7 @@ class SK_API SkDrawCommand {
 public:
     enum OpType {
         kBeginDrawPicture_OpType,
+        kBeginDrawShadowedPicture_OpType,
         kClipPath_OpType,
         kClipRegion_OpType,
         kClipRect_OpType,
@@ -52,6 +53,7 @@ public:
         kDrawTextRSXform_OpType,
         kDrawVertices_OpType,
         kEndDrawPicture_OpType,
+        kEndDrawShadowedPicture_OpType,
         kRestore_OpType,
         kSave_OpType,
         kSaveLayer_OpType,
@@ -455,6 +457,35 @@ private:
     typedef SkDrawCommand INHERITED;
 };
 
+class SkBeginDrawShadowedPictureCommand : public SkDrawCommand {
+public:
+    SkBeginDrawShadowedPictureCommand(const SkPicture* picture,
+                                      const SkMatrix* matrix,
+                                      const SkPaint* paint);
+
+    void execute(SkCanvas* canvas) const override;
+    bool render(SkCanvas* canvas) const override;
+
+private:
+    SkAutoTUnref<const SkPicture> fPicture;
+    SkTLazy<SkMatrix>             fMatrix;
+    SkTLazy<SkPaint>              fPaint;
+
+    typedef SkDrawCommand INHERITED;
+};
+
+class SkEndDrawShadowedPictureCommand : public SkDrawCommand {
+public:
+    SkEndDrawShadowedPictureCommand(bool restore);
+
+    void execute(SkCanvas* canvas) const override;
+
+private:
+    bool fRestore;
+
+    typedef SkDrawCommand INHERITED;
+};
+
 class SkDrawPointsCommand : public SkDrawCommand {
 public:
     SkDrawPointsCommand(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],