Remove useless FaviconHandler::PageChangedSinceFaviconWasRequested()

components/favicon/core/favicon_handler_unittest.cc

Index: components/favicon/core/favicon_handler_unittest.cc
diff --git a/components/favicon/core/favicon_handler_unittest.cc b/components/favicon/core/favicon_handler_unittest.cc
index 598895bfb17133a4707dd0963ebecbd6e094f867..9ba6d2eac1afc3fc94f283deb76aab194417eadc 100644
--- a/components/favicon/core/favicon_handler_unittest.cc
+++ b/components/favicon/core/favicon_handler_unittest.cc
@@ -405,7 +405,7 @@ class TestFaviconHandler : public FaviconHandler {
         page_url, icon_url, icon_type, bitmap_data, image.Size()));
   }
 
-  bool ShouldSaveFavicon(const GURL& url) override { return true; }
+  bool ShouldSaveFavicon() override { return true; }
 
   GURL page_url_;