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

chrome/browser/cookies_tree_model_unittest.cc

Index: chrome/browser/cookies_tree_model_unittest.cc
diff --git a/chrome/browser/cookies_tree_model_unittest.cc b/chrome/browser/cookies_tree_model_unittest.cc
index 03e2f9e53c6729ee5d298391403a8f63ac4b98bd..787c125728a509425fde818cca141b6fc9beb445 100644
--- a/chrome/browser/cookies_tree_model_unittest.cc
+++ b/chrome/browser/cookies_tree_model_unittest.cc
@@ -325,6 +325,10 @@ TEST_F(CookiesTreeModelTest, RemoveAll) {
 
   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());