[Sync] Implement processing of history delete directives

chrome/browser/history/history.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 CHROME_BROWSER_HISTORY_HISTORY_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_H_
 
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_path.h"
+#include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/string16.h"
 #include "base/time.h"
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/common/cancelable_request.h"
 #include "chrome/browser/favicon/favicon_service.h"
 #include "chrome/browser/history/history_types.h"
@@ skipping 592 matching lines @@
   // Called by TopSites after the thumbnails were read and it is safe
   // to delete the thumbnails DB.
   void OnTopSitesReady();
 
   // Returns true if this looks like the type of URL we want to add to the
   // history. We filter out some URLs such as JavaScript.
   static bool CanAddURL(const GURL& url);
 
   base::WeakPtr<HistoryService> AsWeakPtr();
 
+  void ProcessDeleteDirectiveForTest(
+      const sync_pb::HistoryDeleteDirectiveSpecifics& delete_directive);
+
   // syncer::SyncableService implementation.
   virtual syncer::SyncMergeResult MergeDataAndStartSyncing(
       syncer::ModelType type,
       const syncer::SyncDataList& initial_sync_data,
       scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
       scoped_ptr<syncer::SyncErrorFactory> error_handler) OVERRIDE;
   virtual void StopSyncing(syncer::ModelType type) OVERRIDE;
   virtual syncer::SyncDataList GetAllSyncData(
       syncer::ModelType type) const OVERRIDE;
   virtual syncer::SyncError ProcessSyncChanges(
@@ skipping 212 matching lines @@
 
   // Call to schedule a given task for running on the history thread with the
   // specified priority. The task will have ownership taken.
   void ScheduleTask(SchedulePriority priority, const base::Closure& task);
 
   // Delete local history according to the given directive (from
   // sync).
   void ProcessDeleteDirective(
       const sync_pb::HistoryDeleteDirectiveSpecifics& delete_directive);
 
+  // Called when a delete directive has been processed.
+  void OnDeleteDirectiveProcessed(
+      const sync_pb::HistoryDeleteDirectiveSpecifics& delete_directive);
+
   // Schedule ------------------------------------------------------------------
   //
   // Functions for scheduling operations on the history thread that have a
   // handle and may be cancelable. For fire-and-forget operations, see
   // ScheduleAndForget below.
 
   template<typename BackendFunc, class RequestType>
   Handle Schedule(SchedulePriority priority,
                   BackendFunc func,  // Function to call on the HistoryBackend.
                   CancelableRequestConsumerBase* consumer,
@@ skipping 260 matching lines @@
   // TODO(mrossetti): Move in_memory_url_index out of history_service.
   // See http://crbug.com/138321
   scoped_ptr<history::InMemoryURLIndex> in_memory_url_index_;
 
   ObserverList<history::VisitDatabaseObserver> visit_database_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_H_