Reload favicon from HTTP cache on Ctrl+Refresh

extensions/browser/app_window/app_window.cc

Index: extensions/browser/app_window/app_window.cc
diff --git a/extensions/browser/app_window/app_window.cc b/extensions/browser/app_window/app_window.cc
index 9256228d5e861513999488361282932837ddef80..16cf4df5f727a85e612cb8611ccb723edc95efa4 100644
--- a/extensions/browser/app_window/app_window.cc
+++ b/extensions/browser/app_window/app_window.cc
@@ -540,6 +540,7 @@ void AppWindow::SetAppIconUrl(const GURL& url) {
       url,
       true,  // is a favicon
       0,     // no maximum size
+      blink::WebURLRequest::UseProtocolCachePolicy,
       base::Bind(&AppWindow::DidDownloadFavicon,
                  image_loader_ptr_factory_.GetWeakPtr()));
 }
@@ -556,6 +557,7 @@ void AppWindow::SetBadgeIconUrl(const GURL& url) {
       url,
       true,  // is a favicon
       0,     // no maximum size
+      blink::WebURLRequest::UseProtocolCachePolicy,
       base::Bind(&AppWindow::DidDownloadFavicon,
                  image_loader_ptr_factory_.GetWeakPtr()));
 }