Move LanguageState to the translate component

chrome/browser/ui/browser_content_translate_driver_observer.cc

Index: chrome/browser/ui/browser_content_translate_driver_observer.cc
diff --git a/chrome/browser/ui/browser_language_state_observer.cc b/chrome/browser/ui/browser_content_translate_driver_observer.cc
similarity index 59%
rename from chrome/browser/ui/browser_language_state_observer.cc
rename to chrome/browser/ui/browser_content_translate_driver_observer.cc
index 5487af262a7e891be4e7b648151f9b8c011aa433..3ab1cf05c1582a49a1130b132724f7b7df2a2f6e 100644
--- a/chrome/browser/ui/browser_language_state_observer.cc
+++ b/chrome/browser/ui/browser_content_translate_driver_observer.cc
@@ -2,33 +2,34 @@
 // 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_content_translate_driver_observer.h"
 
-#include "chrome/browser/tab_contents/language_state.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "components/translate/core/browser/language_state.h"
 
-BrowserLanguageStateObserver::BrowserLanguageStateObserver(Browser* browser)
-    : browser_(browser) {
+BrowserContentTranslateDriverObserver::BrowserContentTranslateDriverObserver(
+    Browser* browser) : browser_(browser) {
 }
 
-BrowserLanguageStateObserver::~BrowserLanguageStateObserver() {
+BrowserContentTranslateDriverObserver::
+    ~BrowserContentTranslateDriverObserver() {
 }
 
-void BrowserLanguageStateObserver::OnIsPageTranslatedChanged(
+void BrowserContentTranslateDriverObserver::OnIsPageTranslatedChanged(
     content::WebContents* source) {
   if (source == browser_->tab_strip_model()->GetActiveWebContents()) {
     TranslateTabHelper* translate_tab_helper =
         TranslateTabHelper::FromWebContents(source);
-    LanguageState& language_state = translate_tab_helper->language_state();
+    LanguageState& language_state = translate_tab_helper->GetLanguageState();
     browser_->window()->SetTranslateIconToggled(
         language_state.IsPageTranslated());
   }
 }
 
-void BrowserLanguageStateObserver::OnTranslateEnabledChanged(
+void BrowserContentTranslateDriverObserver::OnTranslateEnabledChanged(
     content::WebContents* source) {
   if (source == browser_->tab_strip_model()->GetActiveWebContents())
     browser_->window()->UpdateToolbar(source);