Reload favicon from HTTP cache on Ctrl+Refresh

chrome/browser/extensions/favicon_downloader.cc

 // Copyright 2013 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/favicon_downloader.h"
 
 #include "base/bind.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/favicon_url.h"
@@ skipping 24 matching lines @@
     got_favicon_urls_ = true;
     FetchIcons(favicon_tab_helper_urls);
   }
 }
 
 int FaviconDownloader::DownloadImage(const GURL& url) {
   return web_contents()->DownloadImage(
       url,
       true,  // is_favicon
       0,     // no max size
+      blink::WebURLRequest::UseProtocolCachePolicy,
       base::Bind(&FaviconDownloader::DidDownloadFavicon,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 std::vector<content::FaviconURL>
     FaviconDownloader::GetFaviconURLsFromWebContents() {
   FaviconTabHelper* favicon_tab_helper =
       web_contents() ? FaviconTabHelper::FromWebContents(web_contents()) : NULL;
   // If favicon_urls() is empty, we are guaranteed that DidUpdateFaviconURLs has
   // not yet been called for the current page's navigation.
@@ skipping 59 matching lines @@
 void FaviconDownloader::DidUpdateFaviconURL(
     const std::vector<content::FaviconURL>& candidates) {
   // Only consider the first candidates we are given. This prevents pages that
   // change their favicon from spamming us.
   if (got_favicon_urls_)
     return;
 
   got_favicon_urls_ = true;
   FetchIcons(candidates);
 }