Add GetSupportedLanguages(), ActiveLanguage(), and DeactivateLanguage().

chrome/browser/chromeos/language_library.cc

 // Copyright (c) 2009 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/chromeos/language_library.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/chromeos/cros_library.h"
@@ skipping 42 matching lines @@
 }
 
 chromeos::InputLanguageList* LanguageLibrary::GetLanguages() {
   chromeos::InputLanguageList* result = NULL;
   if (EnsureLoaded()) {
     result = chromeos::GetLanguages(language_status_connection_);
   }
   return result ? result : CreateFallbackInputLanguageList();
 }
 
+chromeos::InputLanguageList* LanguageLibrary::GetSupportedLanguages() {
+  chromeos::InputLanguageList* result = NULL;
+  if (EnsureLoaded()) {
+    result = chromeos::GetSupportedLanguages(language_status_connection_);
+  }
+  return result ? result : CreateFallbackInputLanguageList();
+}
+
 void LanguageLibrary::ChangeLanguage(
     LanguageCategory category, const std::string& id) {
   if (EnsureLoaded()) {
     chromeos::ChangeLanguage(language_status_connection_, category, id.c_str());
   }
 }
 
+bool LanguageLibrary::ActivateLanguage(
+    LanguageCategory category, const std::string& id) {
+  bool success = false;
+  if (EnsureLoaded()) {
+    success = chromeos::ActivateLanguage(language_status_connection_,
+                                         category, id.c_str());
+  }
+  return success;
+}
+
+bool LanguageLibrary::DeactivateLanguage(
+    LanguageCategory category, const std::string& id) {
+  bool success = false;
+  if (EnsureLoaded()) {
+    success = chromeos::DeactivateLanguage(language_status_connection_,
+                                           category, id.c_str());
+  }
+  return success;
+}
+
 // static
 void LanguageLibrary::LanguageChangedHandler(
     void* object, const chromeos::InputLanguage& current_language) {
   LanguageLibrary* language_library = static_cast<LanguageLibrary*>(object);
   language_library->UpdateCurrentLanguage(current_language);
 }
 
 void LanguageLibrary::Init() {
   language_status_connection_ = chromeos::MonitorLanguageStatus(
       &LanguageChangedHandler, this);
@@ skipping 11 matching lines @@
             this, &LanguageLibrary::UpdateCurrentLanguage, current_language));
     return;
   }
 
   DLOG(INFO) << "UpdateCurrentLanguage (UI thread)";
   current_language_ = current_language;
   FOR_EACH_OBSERVER(Observer, observers_, LanguageChanged(this));
 }
 
 }  // namespace chromeos