Ensure that favicons always have 1x representation regardless of whether the platform supports it

chrome/browser/extensions/extension_web_ui.cc

Index: chrome/browser/extensions/extension_web_ui.cc
diff --git a/chrome/browser/extensions/extension_web_ui.cc b/chrome/browser/extensions/extension_web_ui.cc
index 08f05d3056625273c4e14caa1d593bfa1452d69a..c0e17d0252d7d00be9c4566f70968276fc8f8874 100644
--- a/chrome/browser/extensions/extension_web_ui.cc
+++ b/chrome/browser/extensions/extension_web_ui.cc
@@ -14,6 +14,7 @@
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/image_loader.h"
+#include "chrome/browser/favicon/favicon_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
@@ -414,11 +415,11 @@ void ExtensionWebUI::GetFaviconForURL(Profile* profile,
   }
 
   // Fetch resources for all supported scale factors for which there are
-  // resources. Load image reps for all supported scale factors immediately
-  // instead of in an as needed fashion to be consistent with how favicons
-  // are requested for chrome:// and page URLs.
+  // resources. Load image reps for all supported scale factors (in addition to
+  // 1x) immediately instead of in an as needed fashion to be consistent with
+  // how favicons are requested for chrome:// and page URLs.
   const std::vector<ui::ScaleFactor>& scale_factors =
-      ui::GetSupportedScaleFactors();
+      FaviconUtil::GetFaviconScaleFactors();
   std::vector<extensions::ImageLoader::ImageRepresentation> info_list;
   for (size_t i = 0; i < scale_factors.size(); ++i) {
     float scale = ui::GetScaleFactorScale(scale_factors[i]);