Display the language name and the input method list dynamically.

chrome/browser/chromeos/dom_ui/language_options_handler.cc

Index: chrome/browser/chromeos/dom_ui/language_options_handler.cc
diff --git a/chrome/browser/chromeos/dom_ui/language_options_handler.cc b/chrome/browser/chromeos/dom_ui/language_options_handler.cc
index 0a94285ab37a93c7d3fc66d106c66bf15865f4e3..cf3f97179ab3f59a5c2b6d8c4804b2405add96db 100644
--- a/chrome/browser/chromeos/dom_ui/language_options_handler.cc
+++ b/chrome/browser/chromeos/dom_ui/language_options_handler.cc
@@ -8,6 +8,8 @@
 #include "app/resource_bundle.h"
 #include "base/values.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/input_method_library.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
@@ -51,4 +53,31 @@ void LanguageOptionsHandler::GetLocalizedValues(
     localized_strings->SetString(UTF8ToWide(locales[i]),
         chromeos::input_method::GetLanguageDisplayNameFromCode(locales[i]));
   }
+
+  localized_strings->Set(L"inputMethodList", GetInputMethodList());
+}
+
+ListValue* LanguageOptionsHandler::GetInputMethodList() {
+  using chromeos::CrosLibrary;
+
+  ListValue* input_method_list = new ListValue();
+
+  // GetSupportedLanguages() never return NULL.
+  scoped_ptr<chromeos::InputMethodDescriptors> descriptors(
+      CrosLibrary::Get()->GetInputMethodLibrary()->GetSupportedInputMethods());
+  for (size_t i = 0; i < descriptors->size(); ++i) {
+    const chromeos::InputMethodDescriptor& descriptor = descriptors->at(i);
+    const std::string language_code =
+        chromeos::input_method::GetLanguageCodeFromDescriptor(descriptor);
+    const std::string display_name =
+        chromeos::input_method::GetInputMethodDisplayNameFromId(descriptor.id);
+
+    DictionaryValue* dictionary = new DictionaryValue();
+    dictionary->SetString(L"id", UTF8ToWide(descriptor.id));
+    dictionary->SetString(L"displayName", UTF8ToWide(display_name));
+    dictionary->SetString(L"languageCode", UTF8ToWide(language_code));
+    input_method_list->Append(dictionary);
+  }
+
+  return input_method_list;
 }