Ensure using chrome://thumb2/... adds the URL as a forced URL in TopSites so that a thumbnail is ca…

chrome/browser/history/top_sites_impl.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_HISTORY_TOP_SITES_IMPL_H_
 #define CHROME_BROWSER_HISTORY_TOP_SITES_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 69 matching lines @@
   virtual void ClearBlacklistedURLs() OVERRIDE;
   virtual void Shutdown() OVERRIDE;
   virtual CancelableRequestProvider::Handle StartQueryForMostVisited() OVERRIDE;
   virtual bool IsKnownURL(const GURL& url) OVERRIDE;
   virtual const std::string& GetCanonicalURLString(
       const GURL& url) const OVERRIDE;
   virtual bool IsNonForcedFull() OVERRIDE;
   virtual bool IsForcedFull() OVERRIDE;
   virtual MostVisitedURLList GetPrepopulatePages() OVERRIDE;
   virtual bool loaded() const OVERRIDE;
+  virtual bool AddForcedURL(const GURL& url, const base::Time& time) OVERRIDE;
 
  protected:
   virtual ~TopSitesImpl();
 
  private:
   friend class TopSitesImplTest;
   FRIEND_TEST_ALL_PREFIXES(TopSitesImplTest, DiffMostVisited);
   FRIEND_TEST_ALL_PREFIXES(TopSitesImplTest, DiffMostVisitedWithForced);
 
   typedef base::Callback<void(const MostVisitedURLList&,
@@ skipping 166 matching lines @@
 
   // Are we loaded?
   bool loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(TopSitesImpl);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_TOP_SITES_IMPL_H_