Have AutofillManagerDelegate supply the AutofillWebDataService to core code.

chrome/browser/ui/autofill/tab_autofill_manager_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_AUTOFILL_TAB_AUTOFILL_MANAGER_DELEGATE_H_
 #define CHROME_BROWSER_UI_AUTOFILL_TAB_AUTOFILL_MANAGER_DELEGATE_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
@@ skipping 20 matching lines @@
       public content::WebContentsUserData<TabAutofillManagerDelegate>,
       public content::WebContentsObserver {
  public:
   virtual ~TabAutofillManagerDelegate();
 
   // Called when the tab corresponding to |this| instance is activated.
   void TabActivated(int reason);
 
   // AutofillManagerDelegate implementation.
   virtual PersonalDataManager* GetPersonalDataManager() OVERRIDE;
+  virtual scoped_refptr<AutofillWebDataService>
+      GetDatabase() OVERRIDE;
   virtual PrefService* GetPrefs() OVERRIDE;
   virtual void HideRequestAutocompleteDialog() OVERRIDE;
   virtual void ShowAutofillSettings() OVERRIDE;
   virtual void ConfirmSaveCreditCard(
       const AutofillMetrics& metric_logger,
       const base::Closure& save_card_callback) OVERRIDE;
   virtual void ShowRequestAutocompleteDialog(
       const FormData& form,
       const GURL& source_url,
       const base::Callback<void(const FormStructure*)>& callback) OVERRIDE;
@@ skipping 34 matching lines @@
   content::WebContents* const web_contents_;
   base::WeakPtr<AutofillDialogController> dialog_controller_;
   base::WeakPtr<AutofillPopupControllerImpl> popup_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(TabAutofillManagerDelegate);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_TAB_AUTOFILL_MANAGER_DELEGATE_H_