Decouple Canvas from DisplayList and map Picture and PictureRecorder more directly to their Skia co…

sky/engine/core/painting/Picture.cpp

Index: sky/engine/core/painting/Picture.cpp
diff --git a/sky/engine/core/painting/Picture.cpp b/sky/engine/core/painting/Picture.cpp
index 1d96aa3a0e9deb84be32b591922f3070a7db6a80..4558009255585fc34e7f5cef370e1de714dec54f 100644
--- a/sky/engine/core/painting/Picture.cpp
+++ b/sky/engine/core/painting/Picture.cpp
@@ -9,14 +9,14 @@
 
 namespace blink {
 
-PassRefPtr<Picture> Picture::create(PassRefPtr<DisplayList> list)
+PassRefPtr<Picture> Picture::create(PassRefPtr<SkPicture> skPicture)
 {
-    ASSERT(list);
-    return adoptRef(new Picture(list));
+    ASSERT(skPicture);
+    return adoptRef(new Picture(skPicture));
 }
 
-Picture::Picture(PassRefPtr<DisplayList> list)
-    : m_displayList(list)
+Picture::Picture(PassRefPtr<SkPicture> skPicture)
+    : m_picture(skPicture)
 {
 }