mac: Let task manager use IDR_PRODUCT_LOGO_16 instead of NSApplicationIcon.

ui/gfx/image/image_skia_util_mac.h

 // Copyright (c) 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_MAC_H_
 #define UI_GFX_IMAGE_IMAGE_SKIA_UTIL_MAC_H_
 
 #include <ApplicationServices/ApplicationServices.h>
 
 #include "ui/gfx/gfx_export.h"
@@ skipping 13 matching lines @@
 namespace gfx {
 class ImageSkia;
 
 // Converts to ImageSkia from NSImage.
 GFX_EXPORT gfx::ImageSkia ImageSkiaFromNSImage(NSImage* image);
 
 // Resizes NSImage to |size| DIP and then converts to ImageSkia.
 GFX_EXPORT gfx::ImageSkia ImageSkiaFromResizedNSImage(NSImage* image,
                                                       NSSize size);
 
-// Resizes |[NSImage imageNamed:@NSApplicationIcon]| to have edge width of
-// |size| DIP and returns result as ImageSkia.
-GFX_EXPORT gfx::ImageSkia ApplicationIconAtSize(int size);
-
 // Converts to NSImage from ImageSkia.
 GFX_EXPORT NSImage* NSImageFromImageSkia(const gfx::ImageSkia& image_skia);
 
 // Converts to NSImage from given ImageSkia and a color space.
 GFX_EXPORT NSImage* NSImageFromImageSkiaWithColorSpace(
     const gfx::ImageSkia& image_skia,
     CGColorSpaceRef color_space);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_IMAGE_IMAGE_SKIA_UTIL_MAC_H_