Add per-section clearing and dismissed suggestions to snippets-internals

components/ntp_snippets/content_suggestions_service_unittest.cc

Index: components/ntp_snippets/content_suggestions_service_unittest.cc
diff --git a/components/ntp_snippets/content_suggestions_service_unittest.cc b/components/ntp_snippets/content_suggestions_service_unittest.cc
index 6943a36f9490cad1de67489b7f06b5e84196c942..6f4780e83bf92611b9797d21cabd25a9341fda98 100644
--- a/components/ntp_snippets/content_suggestions_service_unittest.cc
+++ b/components/ntp_snippets/content_suggestions_service_unittest.cc
@@ -80,8 +80,10 @@ class MockProvider : public ContentSuggestionsProvider {
     observer()->OnCategoryStatusChanged(this, category, new_status);
   }
 
-  MOCK_METHOD0(ClearCachedSuggestionsForDebugging, void());
-  MOCK_METHOD0(ClearDismissedSuggestionsForDebugging, void());
+  MOCK_METHOD1(ClearCachedSuggestionsForDebugging, void(Category category));
+  MOCK_METHOD1(GetDismissedSuggestionsForDebugging,
+               std::vector<ContentSuggestion>(Category category));
+  MOCK_METHOD1(ClearDismissedSuggestionsForDebugging, void(Category category));
   MOCK_METHOD1(DismissSuggestion, void(const std::string& suggestion_id));
   MOCK_METHOD2(FetchSuggestionImage,
                void(const std::string& suggestion_id,