Allows arbitrary scale factor in ImageSkia.

chrome/browser/extensions/extension_icon_image.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/extensions/extension_icon_image.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 198 matching lines @@
   const gfx::ImageSkia* image =
       image_in.IsEmpty() ? &default_icon_ : image_in.ToImageSkia();
 
   // Maybe default icon was not set.
   if (image->isNull())
     return;
 
   gfx::ImageSkiaRep rep = image->GetRepresentation(scale);
   DCHECK(!rep.is_null());
   DCHECK_EQ(scale, rep.scale());
-
   // Remove old representation if there is one.
   image_skia_.RemoveRepresentation(scale);
   image_skia_.AddRepresentation(rep);
 
   if (observer_)
     observer_->OnExtensionIconImageChanged(this);
 }
 
 void IconImage::Observe(int type,
                         const content::NotificationSource& source,
                         const content::NotificationDetails& details) {
   DCHECK_EQ(type, chrome::NOTIFICATION_EXTENSION_REMOVED);
 
   const Extension* extension = content::Details<const Extension>(details).ptr();
 
   if (extension_ == extension)
     extension_ = NULL;
 }
 
 }  // namespace extensions