When deleting storage through the cookies tree model, also update its cache

chrome/browser/cookies_tree_model_unittest.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/cookies_tree_model.h"
 
 #include <string>
 
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/mock_settings_observer.h"
@@ skipping 307 matching lines @@
 
   mock_browsing_data_cookie_helper_->Reset();
   mock_browsing_data_database_helper_->Reset();
   mock_browsing_data_local_storage_helper_->Reset();
   mock_browsing_data_session_storage_helper_->Reset();
   mock_browsing_data_indexed_db_helper_->Reset();
   mock_browsing_data_file_system_helper_->Reset();
 
   cookies_model->DeleteAllStoredObjects();
 
+  // Make sure the nodes are also deleted from the model's cache.
+  // http://crbug.com/43249
+  cookies_model->UpdateSearchResults(std::wstring());
+
   {
     SCOPED_TRACE("After removing");
     EXPECT_EQ(1, cookies_model->GetRoot()->GetTotalNodeCount());
     EXPECT_EQ(0, cookies_model->GetRoot()->child_count());
     EXPECT_EQ(std::string(""), GetDisplayedCookies(cookies_model.get()));
     EXPECT_TRUE(mock_browsing_data_cookie_helper_->AllDeleted());
     EXPECT_TRUE(mock_browsing_data_database_helper_->AllDeleted());
     EXPECT_TRUE(mock_browsing_data_local_storage_helper_->AllDeleted());
     EXPECT_FALSE(mock_browsing_data_session_storage_helper_->AllDeleted());
     EXPECT_TRUE(mock_browsing_data_indexed_db_helper_->AllDeleted());
@@ skipping 650 matching lines @@
   cookies_model->UpdateSearchResults(std::wstring(L"fshost3"));
   EXPECT_EQ("http://fshost3:3/",
             GetDisplayedFileSystems(cookies_model.get()));
 
   cookies_model->UpdateSearchResults(std::wstring());
   EXPECT_EQ("http://fshost1:1/,http://fshost2:2/,http://fshost3:3/",
             GetDisplayedFileSystems(cookies_model.get()));
 }
 
 }  // namespace