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 614648bd1bd21f307a7c09ae106344b511b66b8b..55877259209f2342447d7f79d5e39c228e4dfada 100644
--- a/components/favicon/core/favicon_handler_unittest.cc
+++ b/components/favicon/core/favicon_handler_unittest.cc
@@ -252,6 +252,8 @@ class TestFaviconDriver : public FaviconDriver {
     image_ = image;
   }
 
+  bool ShouldSendFaviconAvailableNotifications() override { return true; }
+
   void OnFaviconAvailable(const gfx::Image& image,
                           const GURL& icon_url,
                           bool update_active_favicon) override {
@@ -403,7 +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_;