[Offline Pages] Two-step expiration in storage manager.

components/offline_pages/offline_page_model_unittest.cc

Index: components/offline_pages/offline_page_model_unittest.cc
diff --git a/components/offline_pages/offline_page_model_unittest.cc b/components/offline_pages/offline_page_model_unittest.cc
index 34840eacfca88a3b004c919ee32106ee66f08c28..581c631d3dffd285fe008a9980aafa6684ef8f0c 100644
--- a/components/offline_pages/offline_page_model_unittest.cc
+++ b/components/offline_pages/offline_page_model_unittest.cc
@@ -975,7 +975,9 @@ TEST_F(OfflinePageModelTest, ExpirePages) {
   base::Time expiration_time =
       base::Time::Now() + base::TimeDelta::FromMinutes(5);
 
-  model()->ExpirePages(pages_to_expire, expiration_time);
+  model()->ExpirePages(
+      pages_to_expire, expiration_time,
+      base::Bind(&OfflinePageModelTest::OnDeletePageDone, AsWeakPtr()));
   PumpLoop();
 
   const std::vector<OfflinePageItem>& offline_pages = GetAllPages();
@@ -989,6 +991,7 @@ TEST_F(OfflinePageModelTest, ExpirePages) {
       EXPECT_FALSE(offline_page.IsExpired());
     }
   }
+  EXPECT_EQ(DeletePageResult::SUCCESS, last_delete_result());
 }
 
 TEST(CommandLineFlagsTest, OfflineBookmarks) {