Create chrome/browser/api directory. Move infobar delegates used by Autofill to the directory.

chrome/browser/tab_contents/simple_alert_infobar_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/tab_contents/simple_alert_infobar_delegate.h"
-
-#include "third_party/skia/include/core/SkBitmap.h"
-
-SimpleAlertInfoBarDelegate::SimpleAlertInfoBarDelegate(
-    InfoBarTabHelper* infobar_helper,
-    gfx::Image* icon,
-    const string16& message,
-    bool auto_expire)
-    : ConfirmInfoBarDelegate(infobar_helper),
-      icon_(icon),
-      message_(message),
-      auto_expire_(auto_expire) {
-}
-
-SimpleAlertInfoBarDelegate::~SimpleAlertInfoBarDelegate() {
-}
-
-gfx::Image* SimpleAlertInfoBarDelegate::GetIcon() const {
-  return icon_;
-}
-
-string16 SimpleAlertInfoBarDelegate::GetMessageText() const {
-  return message_;
-}
-
-int SimpleAlertInfoBarDelegate::GetButtons() const {
-  return BUTTON_NONE;
-}
-
-bool SimpleAlertInfoBarDelegate::ShouldExpireInternal(
-      const content::LoadCommittedDetails& details) const {
-  return auto_expire_ && ConfirmInfoBarDelegate::ShouldExpireInternal(details);
-}