Introduce AutofillClient and use it to get rid of PasswordManager dependency.

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/compiler_specific.h"
+#include "chrome/browser/autofill/api/autofill_manager_delegate.h"
+
+class TabContents;
+
+// Chrome implementation of AutofillManagerDelegate.
+class TabAutofillManagerDelegate : public autofill::AutofillManagerDelegate {
+ public:
+  // Lifetime of |tab| must exceed lifetime of TabAutofillManagerDelegate.
+  explicit TabAutofillManagerDelegate(TabContents* tab);
+  virtual ~TabAutofillManagerDelegate() {}
+
+  virtual InfoBarTabService* GetInfoBarService() OVERRIDE;
+  virtual PrefServiceBase* GetPrefs() OVERRIDE;
+  virtual bool IsSavingPasswordsEnabled() const OVERRIDE;
+
+ private:
+  TabContents* const tab_;
+};
+
+#endif  // CHROME_BROWSER_UI_AUTOFILL_TAB_AUTOFILL_MANAGER_DELEGATE_H_