image: Specify the resize-method when resizing ImageSkia.

chrome/browser/icon_loader_chromeos.cc

 // 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.
 
 #include "chrome/browser/icon_loader.h"
 
 #include <map>
 #include <string>
 #include <utility>
 
@@ skipping 139 matching lines @@
 // |dip_size| is |kDoNotResize|, returns an unmodified copy of |source|.
 // |source| must be a square image (width == height).
 gfx::ImageSkia ResizeImage(const gfx::ImageSkia& source, int dip_size) {
   DCHECK(!source.isNull());
   DCHECK(source.width() == source.height());
 
   if (dip_size == kDoNotResize || source.width() == dip_size)
     return source;
 
   return gfx::ImageSkiaOperations::CreateResizedImage(source,
-      gfx::Size(dip_size, dip_size));
+      skia::ImageOperations::RESIZE_BEST, gfx::Size(dip_size, dip_size));
 }
 
 int IconSizeToDIPSize(IconLoader::IconSize size) {
   switch (size) {
     case IconLoader::SMALL:  return 16;
     case IconLoader::NORMAL: return 32;
     case IconLoader::LARGE:  // fallthrough
       // On ChromeOS, we consider LARGE to mean "the largest image we have."
       // Since we have already chosen the largest applicable image resource, we
       // return the image as-is.
     case IconLoader::ALL:    // fallthrough
     default:
       return kDoNotResize;
   }
 }
 
 }  // namespace
 
 void IconLoader::ReadIcon() {
   static base::LazyInstance<IconMapper>::Leaky icon_mapper =
       LAZY_INSTANCE_INITIALIZER;
   int idr = icon_mapper.Get().Lookup(group_, icon_size_);
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   const gfx::ImageSkia* image_skia = rb.GetImageNamed(idr).ToImageSkia();
   image_.reset(new gfx::Image(
       ResizeImage(*image_skia, IconSizeToDIPSize(icon_size_))));
   target_message_loop_->PostTask(
       FROM_HERE, base::Bind(&IconLoader::NotifyDelegate, this));
 }