Use Observer to notify of WebDB load instead of callbacks

components/autofill/browser/webdata/web_data_service_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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
@@ skipping 56 matching lines @@
 
  protected:
   virtual void SetUp() {
     db_thread_.Start();
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     base::FilePath path = temp_dir_.path().AppendASCII("TestWebDB");
 
     wdbs_ = new WebDatabaseService(path);
     wdbs_->AddTable(scoped_ptr<WebDatabaseTable>(new AutofillTable("en-US")));
-    wdbs_->LoadDatabase(WebDatabaseService::InitCallback());
+    wdbs_->LoadDatabase();
 
     wds_ = new AutofillWebDataService(
         wdbs_, WebDataServiceBase::ProfileErrorCallback());
     wds_->Init();
   }
 
   virtual void TearDown() {
     wds_->ShutdownOnUIThread();
     wdbs_->ShutdownDatabase();
     wds_ = NULL;
@@ skipping 439 matching lines @@
 
   // Check that the credit card was removed.
   AutofillWebDataServiceConsumer<std::vector<CreditCard*> > card_consumer2;
   handle2 = wds_->GetCreditCards(&card_consumer2);
   MessageLoop::current()->Run();
   EXPECT_EQ(handle2, card_consumer2.handle());
   ASSERT_EQ(0U, card_consumer2.result().size());
 }
 
 }  // namespace autofill