Get rid of Image::Image(SkBitmap*)

ui/gfx/image/image.h

Index: ui/gfx/image/image.h
diff --git a/ui/gfx/image/image.h b/ui/gfx/image/image.h
index 9c0e6eb9671cc9e7ef58fe572953986f9116a4c0..71c3e177b2ab56ec4f4da9056ee9f183e0e5d5e6 100644
--- a/ui/gfx/image/image.h
+++ b/ui/gfx/image/image.h
@@ -62,10 +62,6 @@ class UI_EXPORT Image {
   // Creates an empty image with no representations.
   Image();
 
-  // Creates a new image with the default representation. The object will take
-  // ownership of the image.
-  explicit Image(const SkBitmap* bitmap);
-
   // Creates a new image by copying the bitmap for use as the default
   // representation.
   explicit Image(const SkBitmap& bitmap);