Cleanup: Change LogMostVisitedImpression|Navigation APIs to take an enum

chrome/renderer/searchbox/searchbox.h

 // Copyright 2012 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.
 
 #ifndef CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_
 #define CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 36 matching lines @@
         const = 0;
   };
 
   explicit SearchBox(content::RenderView* render_view);
   ~SearchBox() override;
 
   // Sends ChromeViewHostMsg_LogEvent to the browser.
   void LogEvent(NTPLoggingEventType event);
 
   // Sends ChromeViewHostMsg_LogMostVisitedImpression to the browser.
-  void LogMostVisitedImpression(int position, const base::string16& provider);
+  void LogMostVisitedImpression(int position, NTPLoggingTileSource tile_source);
 
   // Sends ChromeViewHostMsg_LogMostVisitedNavigation to the browser.
-  void LogMostVisitedNavigation(int position, const base::string16& provider);
+  void LogMostVisitedNavigation(int position, NTPLoggingTileSource tile_source);
 
   // Sends ChromeViewHostMsg_ChromeIdentityCheck to the browser.
   void CheckIsUserSignedInToChromeAs(const base::string16& identity);
 
   // Sends ChromeViewHostMsg_HistorySyncCheck to the browser.
   void CheckIsUserSyncingHistory();
 
   // Sends ChromeViewHostMsg_SearchBoxDeleteMostVisitedItem to the browser.
   void DeleteMostVisitedItem(InstantRestrictedID most_visited_item_id);
 
@@ skipping 106 matching lines @@
   InstantRestrictedIDCache<InstantMostVisitedItem> most_visited_items_cache_;
   ThemeBackgroundInfo theme_info_;
   base::string16 query_;
   EmbeddedSearchRequestParams embedded_search_request_params_;
   InstantSuggestion suggestion_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchBox);
 };
 
 #endif  // CHROME_RENDERER_SEARCHBOX_SEARCHBOX_H_