Cleanup: Change LogMostVisitedImpression|Navigation APIs to take an enum

chrome/browser/ui/search/search_tab_helper_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/search/search_tab_helper.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 51 matching lines @@
 
   MOCK_METHOD1(OnInstantSupportDetermined, void(bool supports_instant));
   MOCK_METHOD1(FocusOmnibox, void(OmniboxFocusState state));
   MOCK_METHOD2(NavigateToURL, void(const GURL&, WindowOpenDisposition));
   MOCK_METHOD1(OnDeleteMostVisitedItem, void(const GURL& url));
   MOCK_METHOD1(OnUndoMostVisitedDeletion, void(const GURL& url));
   MOCK_METHOD0(OnUndoAllMostVisitedDeletions, void());
   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());
 };
 
 }  // namespace
 
 class SearchTabHelperTest : public ChromeRenderViewHostTestHarness {
  public:
   void SetUp() override {
@@ skipping 368 matching lines @@
 }
 
 TEST_F(SearchTabHelperPrerenderTest,
     OnTabActivatedNoPrerenderIfOmniboxBlurred) {
   SearchTabHelperPrerenderTest::omnibox_has_focus_ = false;
   SearchTabHelper* search_tab_helper =
       SearchTabHelper::FromWebContents(web_contents());
   search_tab_helper->OnTabActivated();
   ASSERT_FALSE(IsInstantURLMarkedForPrerendering());
 }