[Garbled Text][Infobar] Adding infobar to suggest turning on encoding detection.

chrome/browser/garbled_text_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/garbled_text_infobar_delegate.h"
+
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+GarbledTextInfoBarDelegate::GarbledTextInfoBarDelegate(
+    InfoBarTabHelper* infobar_helper,
+    const base::Closure& callback)
+    : ConfirmInfoBarDelegate(infobar_helper),
+      callback_(callback) {
+}
+
+GarbledTextInfoBarDelegate*
+GarbledTextInfoBarDelegate::AsGarbledTextInfoBarDelegate() {
+  return this;
+}
+
+GarbledTextInfoBarDelegate::~GarbledTextInfoBarDelegate() {
+}
+
+int GarbledTextInfoBarDelegate::GetButtons() const {
+  return ConfirmInfoBarDelegate::BUTTON_OK;
+}
+
+string16 GarbledTextInfoBarDelegate::GetButtonLabel(
+    InfoBarButton button) const {
+  return l10n_util::GetStringUTF16(IDS_GARBLED_TEXT_INFOBAR_BUTTON_FIX);
+}
+
+string16 GarbledTextInfoBarDelegate::GetMessageText() const {
+  return l10n_util::GetStringUTF16(IDS_GARBLED_TEXT_INFOBAR_PROMPT);
+}
+
+bool GarbledTextInfoBarDelegate::ShouldExpire(
+    const content::LoadCommittedDetails&) const {
+  return true;
+}
+
+void GarbledTextInfoBarDelegate::InfoBarDismissed() {
+}
+
+bool GarbledTextInfoBarDelegate::Accept() {
+  callback_.Run();
+  return true;
+}
+
+bool GarbledTextInfoBarDelegate::Cancel() {
+  return true;
+}