Move TranslatePrefs to the Translate component

chrome/browser/translate/translate_tab_helper.cc

Index: chrome/browser/translate/translate_tab_helper.cc
diff --git a/chrome/browser/translate/translate_tab_helper.cc b/chrome/browser/translate/translate_tab_helper.cc
index fbe08b8c94467a8faa169c3ba4b47fb098ff0650..8ceeea8caf1b8345e14ca1bc0407e97a34ae556e 100644
--- a/chrome/browser/translate/translate_tab_helper.cc
+++ b/chrome/browser/translate/translate_tab_helper.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/translate/translate_accept_languages_factory.h"
 #include "chrome/browser/translate/translate_infobar_delegate.h"
 #include "chrome/browser/translate/translate_service.h"
 #include "chrome/browser/ui/browser.h"
@@ -13,8 +14,11 @@
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/translate/translate_bubble_factory.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "components/translate/core/browser/page_translated_details.h"
+#include "components/translate/core/browser/translate_accept_languages.h"
+#include "components/translate/core/browser/translate_prefs.h"
 #include "components/translate/core/common/language_detection_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
@@ -89,6 +93,26 @@ LanguageState& TranslateTabHelper::GetLanguageState() {
   return translate_driver_.language_state();
 }
 
+// static
+scoped_ptr<TranslatePrefs> TranslateTabHelper::CreateTranslatePrefs(
+    PrefService* prefs) {
+  return scoped_ptr<TranslatePrefs>(new TranslatePrefs(
+        prefs,
+#if defined(OS_CHROMEOS)
+        prefs::kLanguagePreferredLanguages,
+#endif
+        prefs::kAcceptLanguages));
+}
+
+// static
+bool TranslateTabHelper::IsAcceptLanguage(
+    content::BrowserContext* browser_context,
+    const std::string& language) {
+  TranslateAcceptLanguages* accept_languages =
+      TranslateAcceptLanguagesFactory::GetForBrowserContext(browser_context);
+  return accept_languages->IsAcceptLanguage(language);
+}
+
 void TranslateTabHelper::ShowTranslateUI(TranslateTabHelper::TranslateStep step,
                                          content::WebContents* web_contents,
                                          const std::string source_language,