Cleanup: Change LogMostVisitedImpression|Navigation APIs to take an enum

chrome/browser/ui/search/search_tab_helper_unittest.cc

Index: chrome/browser/ui/search/search_tab_helper_unittest.cc
diff --git a/chrome/browser/ui/search/search_tab_helper_unittest.cc b/chrome/browser/ui/search/search_tab_helper_unittest.cc
index 9316a8eda160026c31b9b003416f0c7b594fa19c..eda53e3489f2f44dc543e29902b445bfa7e049fe 100644
--- a/chrome/browser/ui/search/search_tab_helper_unittest.cc
+++ b/chrome/browser/ui/search/search_tab_helper_unittest.cc
@@ -69,9 +69,9 @@ class MockSearchIPCRouterDelegate : public SearchIPCRouter::Delegate {
   MOCK_METHOD2(OnLogEvent, void(NTPLoggingEventType event,
                                 base::TimeDelta time));
   MOCK_METHOD2(OnLogMostVisitedImpression,
-               void(int position, const base::string16& provider));
+               void(int position, NTPLoggingTileSource tile_source));
   MOCK_METHOD2(OnLogMostVisitedNavigation,
-               void(int position, const base::string16& provider));
+               void(int position, NTPLoggingTileSource tile_source));
   MOCK_METHOD1(PasteIntoOmnibox, void(const base::string16&));
   MOCK_METHOD1(OnChromeIdentityCheck, void(const base::string16& identity));
   MOCK_METHOD0(OnHistorySyncCheck, void());