Splitting of layers for correct intersections

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 303044d6f6b0623d6f75dedd855c08d7fcf1027d..d10b30d2698262c4f558384986df17bcfe5337ae 100644
--- a/ui/gfx/skia_util.h
+++ b/ui/gfx/skia_util.h
@@ -12,6 +12,7 @@
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "third_party/skia/include/core/SkShader.h"
+#include "ui/gfx/geometry/quad_f.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/gfx_export.h"
 
@@ -78,6 +79,7 @@ GFX_EXPORT bool BitmapsAreEqual(const SkBitmap& bitmap1,
 GFX_EXPORT void ConvertSkiaToRGBA(const unsigned char* skia,
                                   int pixel_width,
                                   unsigned char* rgba);
+GFX_EXPORT void QuadFToSkPoints(const gfx::QuadF& quad, SkPoint points[4]);
 
 }  // namespace gfx