webui: Request favicons at all required display scale factors

chrome/browser/favicon/favicon_service.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/favicon/favicon_service.h"
 
 #include "chrome/browser/favicon/favicon_util.h"
 #include "chrome/browser/favicon/select_favicon_frames.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/history_backend.h"
@@ skipping 193 matching lines @@
     const GURL& page_url,
     int icon_types,
     int desired_size_in_dip,
     const std::vector<ui::ScaleFactor>& desired_scale_factors,
     CancelableRequestConsumerBase* consumer,
     GetFaviconRequest* request) {
   AddRequest(request, consumer);
   FaviconService::Handle handle = request->handle();
   if (page_url.SchemeIs(chrome::kChromeUIScheme) ||
       page_url.SchemeIs(chrome::kExtensionScheme)) {
-    // TODO(pkotwicz): Pass in desired size and desired scale factors.
     ChromeWebUIControllerFactory::GetInstance()->GetFaviconForURL(
-        profile, request, page_url);
+        profile, request, page_url, desired_scale_factors);
   } else {
     // TODO(pkotwicz): Pass in desired size and desired scale factors.
     if (history_service_)
       history_service_->GetFaviconForURL(request, page_url, icon_types);
     else
       ForwardEmptyResultAsync(request);
   }
   return handle;
 }
 
@@ skipping 66 matching lines @@
   bitmap_result.bitmap_data = base::RefCountedBytes::TakeVector(
       &resized_bitmap_data);
   callback.Run(handle, bitmap_result);
 }
 
 void FaviconService::ForwardEmptyResultAsync(GetFaviconRequest* request) {
   request->ForwardResultAsync(request->handle(),
                               std::vector<history::FaviconBitmapResult>(),
                               history::IconURLSizesMap());
 }