Extension settings API: force through changes that come from sync (ignoring

chrome/browser/extensions/settings/settings_backend.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/extensions/settings/settings_backend.h"
 
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 92 matching lines @@
 void SettingsBackend::DeleteStorage(const std::string& extension_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   StorageObjMap::iterator maybe_storage = storage_objs_.find(extension_id);
   if (maybe_storage == storage_objs_.end()) {
     return;
   }
 
   // Clear settings when the extension is uninstalled.  Leveldb implementations
   // will also delete the database from disk when the object is destroyed as
   // a result of being removed from |storage_objs_|.
-  maybe_storage->second->Clear();
+  maybe_storage->second->Clear(SettingsStorage::FORCE);
   storage_objs_.erase(maybe_storage);
 }
 
 std::set<std::string> SettingsBackend::GetKnownExtensionIDs() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   std::set<std::string> result;
 
   // Extension IDs live in-memory and/or on disk.  The cache will contain all
   // that are in-memory.
   for (StorageObjMap::iterator it = storage_objs_.begin();
@@ skipping 164 matching lines @@
 
   for (StorageObjMap::iterator it = storage_objs_.begin();
       it != storage_objs_.end(); ++it) {
     // Some storage areas may have already stopped syncing if they had areas
     // and syncing was disabled, but StopSyncing is safe to call multiple times.
     it->second->StopSyncing();
   }
 }
 
 }  // namespace extensions