Track if a ReadingListEntry has been dismissed

components/reading_list/core/reading_list_model_unittest.cc

Index: components/reading_list/core/reading_list_model_unittest.cc
diff --git a/components/reading_list/core/reading_list_model_unittest.cc b/components/reading_list/core/reading_list_model_unittest.cc
index ee00dc7704867272c65c90b6214457ddf3e72eee..a2b2b57fe4634fde0e989f6a97ed6bafd7cb0e2b 100644
--- a/components/reading_list/core/reading_list_model_unittest.cc
+++ b/components/reading_list/core/reading_list_model_unittest.cc
@@ -708,6 +708,21 @@ TEST_F(ReadingListModelTest, UpdateReadDistilledInfo) {
             entry->DistillationTime());
 }
 
+// Tests setting ContentSuggestionsExtra info on entry.
+TEST_F(ReadingListModelTest, UpdateContentSuggestionsExtra) {
+  const GURL gurl("http://example.com");
+  model_->AddEntry(gurl, "sample", reading_list::ADDED_VIA_CURRENT_APP);
+  const ReadingListEntry* entry = model_->GetEntryByURL(gurl);
+  ClearCounts();
+
+  reading_list::ContentSuggestionsExtra extra;
+  extra.dismissed = true;
+
+  model_->SetContentSuggestionsExtra(gurl, extra);
+  AssertObserverCount(0, 0, 0, 0, 0, 0, 0, 1, 1);
+  EXPECT_EQ(extra.dismissed, entry->ContentSuggestionsExtra()->dismissed);
+}
+
 // Tests that ReadingListModel calls CallbackModelBeingDeleted when destroyed.
 TEST_F(ReadingListModelTest, CallbackModelBeingDeleted) {
   AssertObserverCount(1, 0, 0, 0, 0, 0, 0, 0, 0);