Use Observer to notify of WebDB load instead of callbacks

chrome/browser/password_manager/password_store_win_unittest.cc

 // 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.
 
 #include <windows.h>
 #include <wincrypt.h>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 102 matching lines @@
 
     profile_.reset(new TestingProfile());
 
     login_db_.reset(new LoginDatabase());
     ASSERT_TRUE(login_db_->Init(temp_dir_.path().Append(
         FILE_PATH_LITERAL("login_test"))));
     base::FilePath path = temp_dir_.path().AppendASCII("web_data_test");
     wdbs_ = new WebDatabaseService(path);
     // Need to add at least one table so the database gets created.
     wdbs_->AddTable(scoped_ptr<WebDatabaseTable>(new LoginsTable()));
-    wdbs_->LoadDatabase(WebDatabaseService::InitCallback());
+    wdbs_->LoadDatabase();
     wds_ = new WebDataService(wdbs_,
                               WebDataServiceBase::ProfileErrorCallback());
     wds_->Init();
   }
 
   virtual void TearDown() {
     if (store_.get())
       store_->ShutdownOnUIThread();
     wds_->ShutdownOnUIThread();
     wdbs_->ShutdownDatabase();
@@ skipping 284 matching lines @@
   VectorOfForms expect_none;
   // expect that we get no results;
   EXPECT_CALL(
       consumer,
       OnPasswordStoreRequestDone(_, ContainsAllPasswordForms(expect_none)))
       .WillOnce(DoAll(WithArg<1>(STLDeleteElements0()), QuitUIMessageLoop()));
 
   store_->GetAutofillableLogins(&consumer);
   MessageLoop::current()->Run();
 }