Do not try to get a display name from an input method ID which starts with "_ext_ime".

chrome/browser/chromeos/input_method/input_method_util.cc

 // Copyright (c) 2012 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/input_method/input_method_util.h"
 
 #include <algorithm>
 #include <functional>
 #include <map>
 #include <utility>
@@ skipping 46 matching lines @@
   { "m17n:zh:quick", "\xe9\x80\x9f" },  // U+901F
   // For Hangul input method.
   { "mozc-hangul", "\xed\x95\x9c" },  // U+D55C
 };
 
 const size_t kMappingFromIdToIndicatorTextLen =
     ARRAYSIZE_UNSAFE(kMappingFromIdToIndicatorText);
 }
 
 namespace chromeos {
+
+extern const char* kExtensionImePrefix;
+
 namespace input_method {
 
 namespace {
 
 const struct EnglishToResouceId {
   const char* english_string_from_ibus;
   int resource_id;
 } kEnglishToResourceIdArray[] = {
   // For ibus-mozc.
   { "Direct input", IDS_STATUSBAR_IME_JAPANESE_IME_STATUS_DIRECT_INPUT },
@@ skipping 243 matching lines @@
   string16 localized_string;
   return TranslateStringInternal(english_string, &localized_string);
 }
 
 // static
 bool InputMethodUtil::IsKeyboardLayout(const std::string& input_method_id) {
   const bool kCaseInsensitive = false;
   return StartsWithASCII(input_method_id, "xkb:", kCaseInsensitive);
 }
 
+// static
+bool InputMethodUtil::IsExtensionInputMethod(
+    const std::string& input_method_id) {
+  const bool kCaseInsensitive = false;
+  return StartsWithASCII(input_method_id,
+                         kExtensionImePrefix,
+                         kCaseInsensitive);
+}
+
 std::string InputMethodUtil::GetLanguageCodeFromInputMethodId(
     const std::string& input_method_id) const {
   // The code should be compatible with one of codes used for UI languages,
   // defined in app/l10_util.cc.
   const char kDefaultLanguageCode[] = "en-US";
   std::map<std::string, std::string>::const_iterator iter
       = id_to_language_code_.find(input_method_id);
   return (iter == id_to_language_code_.end()) ?
       // Returning |kDefaultLanguageCode| here is not for Chrome OS but for
       // Ubuntu where the ibus-xkb-layouts engine could be missing.
       kDefaultLanguageCode : iter->second;
 }
 
 std::string InputMethodUtil::GetKeyboardLayoutName(
     const std::string& input_method_id) const {
   InputMethodIdToDescriptorMap::const_iterator iter
       = id_to_descriptor_.find(input_method_id);
   return (iter == id_to_descriptor_.end()) ?
       "" : iter->second.keyboard_layout();
 }
 
 std::string InputMethodUtil::GetInputMethodDisplayNameFromId(
     const std::string& input_method_id) const {
   string16 display_name;
-  if (TranslateStringInternal(input_method_id, &display_name)) {
+  if (!IsExtensionInputMethod(input_method_id) &&
+      TranslateStringInternal(input_method_id, &display_name)) {
     return UTF16ToUTF8(display_name);
   }
   // Return an empty string if the display name is not found.
   return "";
 }
 
 string16 InputMethodUtil::GetInputMethodShortName(
     const InputMethodDescriptor& input_method) const {
   // For the status area, we use two-letter, upper-case language code like
   // "US" and "JP".
@@ skipping 268 matching lines @@
   ReloadInternalMaps();
 }
 
 void InputMethodUtil::SetHardwareInputMethodIdForTesting(
     const std::string& input_method_id) {
   hardware_input_method_id_for_testing_ = input_method_id;
 }
 
 }  // namespace input_method
 }  // namespace chromeos