Proof of concept implementation of context based history filtering.

components/history/core/browser/history_service.h

 // Copyright (c) 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 COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_H_
 #define COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 178 matching lines @@
   void AddPage(const HistoryAddPageArgs& add_page_args);
 
   // Adds an entry for the specified url without creating a visit. This should
   // only be used when bookmarking a page, otherwise the row leaks in the
   // history db (it never gets cleaned).
   void AddPageNoVisitForBookmark(const GURL& url, const base::string16& title);
 
   // Sets the title for the given page. The page should be in history. If it
   // is not, this operation is ignored.
   void SetPageTitle(const GURL& url, const base::string16& title);
+  void SetPageHistoryContext(const GURL& url, HistoryContext context);
 
   // Updates the history database with a page's ending time stamp information.
   // The page can be identified by the combination of the context id, the
   // navigation entry id and the url.
   void UpdateWithPageEndTime(ContextID context_id,
                              int nav_entry_id,
                              const GURL& url,
                              base::Time end_ts);
 
   // Querying ------------------------------------------------------------------
@@ skipping 596 matching lines @@
 
   // All vended weak pointers are invalidated in Cleanup().
   base::WeakPtrFactory<HistoryService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_H_