[NTP::SectionOrder] Make ClickBasedRanker move dismissed sections down.

components/ntp_snippets/category_rankers/constant_category_ranker.cc

Index: components/ntp_snippets/category_rankers/constant_category_ranker.cc
diff --git a/components/ntp_snippets/category_rankers/constant_category_ranker.cc b/components/ntp_snippets/category_rankers/constant_category_ranker.cc
index 859cf81425186b1cdbfec884d475b27d1201dcca..60f040dcf53d7f6e8988c3ab3dbe0a9011902562 100644
--- a/components/ntp_snippets/category_rankers/constant_category_ranker.cc
+++ b/components/ntp_snippets/category_rankers/constant_category_ranker.cc
@@ -60,6 +60,10 @@ void ConstantCategoryRanker::OnSuggestionOpened(Category category) {
   // Ignored. The order is constant.
 }
 
+void ConstantCategoryRanker::OnCategoryDismissed(Category category) {
+  // Ignored. The order is constant.
+}
+
 // static
 std::vector<KnownCategories>
 ConstantCategoryRanker::GetKnownCategoriesDefaultOrder() {