Have AutofillManagerDelegate supply the AutofillWebDataService to core code.

chrome/browser/ui/autofill/tab_autofill_manager_delegate.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 "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/autofill/autofill_cc_infobar_delegate.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
@@ skipping 42 matching lines @@
     dialog_controller_->TabActivated();
 }
 
 PersonalDataManager* TabAutofillManagerDelegate::GetPersonalDataManager() {
   Profile* profile =
       Profile::FromBrowserContext(web_contents_->GetBrowserContext());
   return PersonalDataManagerFactory::GetForProfile(
       profile->GetOriginalProfile());
 }
 
+scoped_refptr<AutofillWebDataService>
+    TabAutofillManagerDelegate::GetDatabase() {
+  return AutofillWebDataService::FromBrowserContext(
+      web_contents_->GetBrowserContext());
+}
+
 PrefService* TabAutofillManagerDelegate::GetPrefs() {
   return Profile::FromBrowserContext(web_contents_->GetBrowserContext())->
       GetPrefs();
 }
 
 void TabAutofillManagerDelegate::ShowAutofillSettings() {
 #if defined(OS_ANDROID)
   NOTIMPLEMENTED();
 #else
   Browser* browser = chrome::FindBrowserWithWebContents(web_contents_);
@@ skipping 100 matching lines @@
 
 void TabAutofillManagerDelegate::DetectAccountCreationForms(
     const std::vector<autofill::FormStructure*>& forms) {
   PasswordGenerationManager* manager =
       PasswordGenerationManager::FromWebContents(web_contents_);
   if (manager)
     manager->DetectAccountCreationForms(forms);
 }
 
 }  // namespace autofill