TopSites: filter out non-WebSafe URLs

components/history/core/browser/history_backend_client.h

 // Copyright 2015 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 COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_CLIENT_H_
 #define COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_CLIENT_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 26 matching lines @@
 
   // Returns, by reference in |bookmarks|, the set of bookmarked URLs and their
   // title. This returns the unique set of URLs. For example, if two bookmarks
   // reference the same URL only one entry is added even if the title are not
   // the same.
   virtual void GetBookmarks(std::vector<URLAndTitle>* bookmarks) = 0;
 
   // Returns whether database errors should be reported to the crash server.
   virtual bool ShouldReportDatabaseError() = 0;
 
+  // Returns whether |url| should be considered web-safe (see
+  // content::ChildProcessSecurityPolicy).
+  virtual bool IsWebSafe(const GURL& url) = 0;
+
 #if defined(OS_ANDROID)
   // Called upon initialization of the HistoryBackend.
   virtual void OnHistoryBackendInitialized(
       HistoryBackend* history_backend,
       HistoryDatabase* history_database,
       ThumbnailDatabase* thumbnail_database,
       const base::FilePath& history_dir) = 0;
 
   // Called upon destruction of the HistoryBackend.
   virtual void OnHistoryBackendDestroyed(HistoryBackend* history_backend,
                                          const base::FilePath& history_dir) = 0;
 #endif  // defined(OS_ANDROID)
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HistoryBackendClient);
 };
 
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_CLIENT_H_