Implementing URL prefix match for history thumbnail cache.

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 47 matching lines @@
   virtual bool SetPageThumbnail(const GURL& url,
                         const gfx::Image& thumbnail,
                         const ThumbnailScore& score) OVERRIDE;
   virtual bool SetPageThumbnailToJPEGBytes(
       const GURL& url,
       const base::RefCountedMemory* memory,
       const ThumbnailScore& score) OVERRIDE;
   virtual void GetMostVisitedURLs(
       const GetMostVisitedURLsCallback& callback) OVERRIDE;
   virtual bool GetPageThumbnail(
-      const GURL& url, scoped_refptr<base::RefCountedMemory>* bytes) OVERRIDE;
+      const GURL& url,
+      bool prefix_match,
+      scoped_refptr<base::RefCountedMemory>* bytes) OVERRIDE;
   virtual bool GetPageThumbnailScore(const GURL& url,
                                      ThumbnailScore* score) OVERRIDE;
   virtual bool GetTemporaryPageThumbnailScore(const GURL& url,
                                               ThumbnailScore* score) OVERRIDE;
   virtual void SyncWithHistory() OVERRIDE;
   virtual bool HasBlacklistedItems() const OVERRIDE;
   virtual void AddBlacklistedURL(const GURL& url) OVERRIDE;
   virtual void RemoveBlacklistedURL(const GURL& url) OVERRIDE;
   virtual bool IsBlacklisted(const GURL& url) OVERRIDE;
   virtual void ClearBlacklistedURLs() OVERRIDE;
@@ skipping 162 matching lines @@
 
   // Are we loaded?
   bool loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(TopSitesImpl);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_TOP_SITES_IMPL_H_