Reload favicon from HTTP cache on Ctrl+Refresh

chrome/browser/web_applications/update_shortcut_worker_win.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 "chrome/browser/web_applications/update_shortcut_worker_win.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 71 matching lines @@
     UpdateShortcuts();
     return;
   }
 
   int preferred_size = std::max(unprocessed_icons_.back().width,
                                 unprocessed_icons_.back().height);
   web_contents_->DownloadImage(
       unprocessed_icons_.back().url,
       true,  // favicon
       0,  // no maximum size
+      blink::WebURLRequest::UseProtocolCachePolicy,
       base::Bind(&UpdateShortcutWorker::DidDownloadFavicon,
                  base::Unretained(this),
                  preferred_size));
   unprocessed_icons_.pop_back();
 }
 
 void UpdateShortcutWorker::DidDownloadFavicon(
     int requested_size,
     int id,
     int http_status_code,
@@ skipping 132 matching lines @@
                  base::Unretained(this)));
   }
 }
 
 void UpdateShortcutWorker::DeleteMeOnUIThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   delete this;
 }
 
 }  // namespace web_app