More old files deletion.

ui/gfx/image/image_skia_util_ios.h

-// Copyright 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef UI_GFX_IMAGE_IMAGE_SKIA_UTIL_IOS_H_
-#define UI_GFX_IMAGE_IMAGE_SKIA_UTIL_IOS_H_
-
-#include "ui/gfx/gfx_export.h"
-
-#ifdef __OBJC__
-@class UIImage;
-#else
-class UIImage;
-#endif
-
-namespace gfx {
-class ImageSkia;
-class ImageSkiaRep;
-
-// Converts to ImageSkia from UIImage.
-GFX_EXPORT gfx::ImageSkia ImageSkiaFromUIImage(UIImage* image);
-
-// Converts to an ImageSkiaRep of |scale_factor| from UIImage.
-// |scale| is passed explicitly in order to allow this method to be used
-// with a |scale| which is not supported by the platform.
-GFX_EXPORT gfx::ImageSkiaRep ImageSkiaRepOfScaleFromUIImage(
-    UIImage* image,
-    float scale);
-
-// Converts to UIImage from ImageSkia. The returned UIImage will be at the scale
-// of the ImageSkiaRep in |image_skia| which most closely matches the device's
-// scale factor (eg Retina iPad -> 2x). Returns an autoreleased UIImage.
-GFX_EXPORT UIImage* UIImageFromImageSkia(const gfx::ImageSkia& image_skia);
-
-// Converts to UIImage from ImageSkiaRep. Returns an autoreleased UIImage.
-GFX_EXPORT UIImage* UIImageFromImageSkiaRep(
-    const gfx::ImageSkiaRep& image_skia_rep);
-
-}  // namespace gfx
-
-#endif  // UI_GFX_IMAGE_IMAGE_SKIA_UTIL_IOS_H_