NullImageRep      308 ui/gfx/image/image_skia.cc     return NullImageRep();
NullImageRep      314 ui/gfx/image/image_skia.cc     return NullImageRep();
NullImageRep      397 ui/gfx/image/image_skia.cc     return NullImageRep().mutable_sk_bitmap();
NullImageRep      409 ui/gfx/image/image_skia.cc   return NullImageRep().mutable_sk_bitmap();