Cleanup: Remove unused SearchTabHelper::GetOpenUrls

components/history/core/browser/top_sites_impl.h

Index: components/history/core/browser/top_sites_impl.h
diff --git a/components/history/core/browser/top_sites_impl.h b/components/history/core/browser/top_sites_impl.h
index 338c2a5e3fab4a5eafe22bc312c56b4789551035..c83cb0a883a3ed75a6de3615bb0d6a1905c9bc9e 100644
--- a/components/history/core/browser/top_sites_impl.h
+++ b/components/history/core/browser/top_sites_impl.h
@@ -73,9 +73,6 @@ class TopSitesImpl : public TopSites, public HistoryServiceObserver {
   bool SetPageThumbnail(const GURL& url,
                         const gfx::Image& thumbnail,
                         const ThumbnailScore& score) override;
-  bool SetPageThumbnailToJPEGBytes(const GURL& url,
-                                   const base::RefCountedMemory* memory,
-                                   const ThumbnailScore& score) override;
   void GetMostVisitedURLs(const GetMostVisitedURLsCallback& callback,
                           bool include_forced_urls) override;
   bool GetPageThumbnail(const GURL& url,
@@ -90,9 +87,7 @@ class TopSitesImpl : public TopSites, public HistoryServiceObserver {
   void RemoveBlacklistedURL(const GURL& url) override;
   bool IsBlacklisted(const GURL& url) override;
   void ClearBlacklistedURLs() override;
-  base::CancelableTaskTracker::TaskId StartQueryForMostVisited() override;
   bool IsKnownURL(const GURL& url) override;
-  const std::string& GetCanonicalURLString(const GURL& url) const override;
   bool IsNonForcedFull() override;
   bool IsForcedFull() override;
   PrepopulatedPageList GetPrepopulatedPages() override;
@@ -137,6 +132,8 @@ class TopSitesImpl : public TopSites, public HistoryServiceObserver {
   typedef std::list<TempImage> TempImages;
   typedef std::vector<PendingCallback> PendingCallbacks;
 
+  void StartQueryForMostVisited();
+
   // Generates the diff of things that happened between "old" and "new."
   //
   // This treats forced URLs separately than non-forced URLs.