Extract Extension IME related utility.

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>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/string_util.h"
 #include "base/strings/string_split.h"
 #include "base/utf_string_conversions.h"
+#include "chromeos/ime/extension_ime_util.h"
 #include "chromeos/ime/input_method_delegate.h"
 #include "grit/generated_resources.h"
 #include "third_party/icu/public/common/unicode/uloc.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_collator.h"
 
 namespace {
 
 // A mapping from an input method id to a string for the language indicator. The
 // mapping is necessary since some input methods belong to the same language.
@@ skipping 332 matching lines @@
     const std::string& input_method_id) const {
   return GetInputMethodDescriptorFromId(input_method_id) != NULL;
 }
 
 // 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 (!IsExtensionInputMethod(input_method_id) &&
+  if (!extension_ime_util::IsExtensionIME(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
@@ skipping 303 matching lines @@
     }
   }
 }
 
 void InputMethodUtil::OnLocaleChanged() {
   ReloadInternalMaps();
 }
 
 }  // namespace input_method
 }  // namespace chromeos