Inject CanAddURLToHistory into TopSitesImpl

components/history/core/test/test_history_database.h

Index: components/history/core/test/test_history_database.h
diff --git a/components/history/core/test/test_history_database.h b/components/history/core/test/test_history_database.h
index 178b8a88a64f903b498cd5022cfd89cb2cbb5360..52b431bf51ba4e5bc496b3d6a4ba6b1a02e46164 100644
--- a/components/history/core/test/test_history_database.h
+++ b/components/history/core/test/test_history_database.h
@@ -5,6 +5,7 @@
 #ifndef COMPONENTS_HISTORY_CORE_TEST_TEST_HISTORY_DATABASE_H_
 #define COMPONENTS_HISTORY_CORE_TEST_TEST_HISTORY_DATABASE_H_
 
+#include "components/history/core/browser/download_types.h"
 #include "components/history/core/browser/history_database.h"
 
 namespace base {
@@ -15,6 +16,13 @@ namespace history {
 
 struct HistoryDatabaseParams;
 
+// The download successfully completed. Value for tests.
+extern const DownloadInterruptReason kTestDownloadInterruptReasonNone;
+
+// The download was interrupted by a browser crash. Internal use only.
+// Resume pending downloads if possible. Value for tests.
+extern const DownloadInterruptReason kTestDownloadInterruptReasonCrash;
+
 // TestHistoryDatabase is a simple wrapper around HistoryDatabase that provides
 // default values to the constructor.
 class TestHistoryDatabase : public HistoryDatabase {