Use factory for creating SkPicture from a stream.

cc/resources/picture.h

Index: cc/resources/picture.h
diff --git a/cc/resources/picture.h b/cc/resources/picture.h
index 471256fb5b78bbaba55f8e8551006a5f5ddb0d9e..1ee813c5989da28d715b3d88d0bd25bac0bc39ee 100644
--- a/cc/resources/picture.h
+++ b/cc/resources/picture.h
@@ -118,13 +118,16 @@ class CC_EXPORT Picture
 
  private:
   explicit Picture(gfx::Rect layer_rect);
-  Picture(const base::Value*, bool* success);
   // This constructor assumes SkPicture is already ref'd and transfers
   // ownership to this picture.
   Picture(const skia::RefPtr<SkPicture>&,
           gfx::Rect layer_rect,
           gfx::Rect opaque_rect,
           const PixelRefMap& pixel_refs);
+  // This constructor will call AdoptRef on the SkPicture.
+  Picture(SkPicture*,
+          gfx::Rect layer_rect,
+          gfx::Rect opaque_rect);
   ~Picture();
 
   gfx::Rect layer_rect_;