Add flag for drawing layers to screen with Ganesh

ui/gfx/skia_util.h

Index: ui/gfx/skia_util.h
diff --git a/ui/gfx/skia_util.h b/ui/gfx/skia_util.h
index bd9478fced9aa28f379548689ff3208c3ceec9b8..4a2cfcf20350894a41c978f47099ec78c21073e4 100644
--- a/ui/gfx/skia_util.h
+++ b/ui/gfx/skia_util.h
@@ -23,6 +23,7 @@ class ImageSkiaRep;
 class Rect;
 class RectF;
 class ShadowValue;
+class Transform;
 
 // Convert between Skia and gfx rect types.
 UI_EXPORT SkRect RectToSkRect(const Rect& rect);
@@ -31,6 +32,9 @@ UI_EXPORT Rect SkIRectToRect(const SkIRect& rect);
 UI_EXPORT SkRect RectFToSkRect(const RectF& rect);
 UI_EXPORT RectF SkRectToRectF(const SkRect& rect);
 
+UI_EXPORT void TransformToFlattenedSkMatrix(const gfx::Transform& transform,
+                                            SkMatrix* flattened);
+
 // Creates a bitmap shader for the image rep with the image rep's scale factor.
 // Sets the created shader's local matrix such that it displays the image rep at
 // the correct scale factor.