gfx: Make conversions from Size to SizeF be explicit.

extensions/browser/extension_icon_image.cc

 // Copyright 2014 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 "extensions/browser/extension_icon_image.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 178 matching lines @@
     resource = GetExtensionIconResource(extension_, icon_set_,
         resource_size_in_pixel, ExtensionIconSet::MATCH_SMALLER);
   }
 
   // If there is no resource found, return default icon.
   if (resource.empty())
     return default_icon_.GetRepresentation(scale);
 
   std::vector<ImageLoader::ImageRepresentation> info_list;
   info_list.push_back(ImageLoader::ImageRepresentation(
-      resource,
-      ImageLoader::ImageRepresentation::ALWAYS_RESIZE,
-      gfx::ToFlooredSize(gfx::ScaleSize(
-          gfx::Size(resource_size_in_dip_, resource_size_in_dip_), scale)),
+      resource, ImageLoader::ImageRepresentation::ALWAYS_RESIZE,
+      gfx::ScaleToFlooredSize(
+          gfx::Size(resource_size_in_dip_, resource_size_in_dip_), scale),
       scale_factor));
 
   extensions::ImageLoader* loader =
       extensions::ImageLoader::Get(browser_context_);
   loader->LoadImagesAsync(extension_, info_list,
                           base::Bind(&IconImage::OnImageLoaded,
                                      weak_ptr_factory_.GetWeakPtr(),
                                      scale));
 
   return gfx::ImageSkiaRep();
@@ skipping 43 matching lines @@
                         const content::NotificationDetails& details) {
   DCHECK_EQ(type, extensions::NOTIFICATION_EXTENSION_REMOVED);
 
   const Extension* extension = content::Details<const Extension>(details).ptr();
 
   if (extension_ == extension)
     extension_ = NULL;
 }
 
 }  // namespace extensions