Add favicons to tabs on the Mac

chrome/browser/cocoa/cocoa_utils.mm

-// Copyright (c) 2009 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.
-
-#include <base/logging.h>
-#include "chrome/browser/cocoa/cocoa_utils.h"
-#import <QuartzCore/CIImage.h>
-#include "third_party/skia/include/utils/mac/SkCGUtils.h"
-#include "third_party/skia/include/core/SkColorPriv.h"
-
-namespace {
-
-// Callback passed to CGDataProviderCreateWithData()
-void ReleaseData(void* info, const void* pixelData, size_t size) {
-  // info is a non-const pixelData
-  if (info)
-    free(info);
-}
-
-}
-
-namespace CocoaUtils {
-
-NSImage* SkBitmapToNSImage(const SkBitmap& skiaBitmap) {
-  // First convert SkBitmap to CGImageRef.
-  CGImageRef cgimage = SkCreateCGImageRef(skiaBitmap);
-
-  // Now convert to NSImage.
-  NSBitmapImageRep* bitmap = [[[NSBitmapImageRep alloc]
-                                   initWithCGImage:cgimage] autorelease];
-  CFRelease(cgimage);
-  NSImage* image = [[[NSImage alloc] init] autorelease];
-  [image addRepresentation:bitmap];
-  return image;
-}
-
-}  // namespace CocoaUtils
-