Eliminate the LinkInfoBar[Delegate] classes entirely.

chrome/browser/infobars/alternate_nav_infobar_delegate.cc

+// Copyright 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/infobars/alternate_nav_infobar_delegate.h"
+
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/api/infobars/infobar_service.h"
+#include "content/public/browser/web_contents.h"
+#include "grit/generated_resources.h"
+#include "grit/theme_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+
+AlternateNavInfoBarDelegate::AlternateNavInfoBarDelegate(
+    InfoBarService* owner,
+    const GURL& alternate_nav_url)
+    : InfoBarDelegate(owner),
+      alternate_nav_url_(alternate_nav_url) {
+}
+
+AlternateNavInfoBarDelegate::~AlternateNavInfoBarDelegate() {
+}
+
+string16 AlternateNavInfoBarDelegate::GetMessageTextWithOffset(
+    size_t* link_offset) const {
+  const string16 label = l10n_util::GetStringFUTF16(
+      IDS_ALTERNATE_NAV_URL_VIEW_LABEL, string16(), link_offset);
+  return label;
+}
+
+string16 AlternateNavInfoBarDelegate::GetLinkText() const {
+  return UTF8ToUTF16(alternate_nav_url_.spec());
+}
+
+bool AlternateNavInfoBarDelegate::LinkClicked(
+    WindowOpenDisposition disposition) {
+  content::OpenURLParams params(
+      alternate_nav_url_, content::Referrer(), disposition,
+      // Pretend the user typed this URL, so that navigating to
+      // it will be the default action when it's typed again in
+      // the future.
+      content::PAGE_TRANSITION_TYPED,
+      false);
+  owner()->GetWebContents()->OpenURL(params);
+
+  // We should always close, even if the navigation did not occur within this
+  // WebContents.
+  return true;
+}
+
+AlternateNavInfoBarDelegate*
+    AlternateNavInfoBarDelegate::AsAlternateNavInfoBarDelegate() {
+  return this;
+}
+
+gfx::Image* AlternateNavInfoBarDelegate::GetIcon() const {
+  return &ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
+      IDR_INFOBAR_ALT_NAV_URL);
+}
+
+InfoBarDelegate::Type AlternateNavInfoBarDelegate::GetInfoBarType() const {
+  return PAGE_ACTION_TYPE;
+}