Translate: New Bubble UX (for the view toolkit)

chrome/browser/ui/browser_language_state_observer.cc

+// Copyright 2013 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/ui/browser_language_state_observer.h"
+
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+
+BrowserLanguageStateObserver::BrowserLanguageStateObserver(Browser* browser)
+    : browser_(browser) {
+}
+
+BrowserLanguageStateObserver::~BrowserLanguageStateObserver() {
+}
+
+void BrowserLanguageStateObserver::OnTranslateEnabledChanged(
+    content::WebContents* source) {
+  if (source == browser_->tab_strip_model()->GetActiveWebContents())
+    browser_->window()->UpdateToolbar(source);
+}