Remove extension_misc::IsImeMenuExtensionId.

chrome/common/extensions/extension_constants.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 "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/extensions/extension_constants.h"
 
 namespace extension_urls {
 
@@ skipping 78 matching lines @@
 #endif
 
 const char kAppStateNotInstalled[] = "not_installed";
 const char kAppStateInstalled[] = "installed";
 const char kAppStateDisabled[] = "disabled";
 const char kAppStateRunning[] = "running";
 const char kAppStateCannotRun[] = "cannot_run";
 const char kAppStateReadyToRun[] = "ready_to_run";
 
 const char kMediaFileSystemPathPart[] = "_";
-
-#if defined(OS_CHROMEOS)
-bool IsImeMenuExtensionId(const std::string& extension_id) {
-  const char* const kImeMenuExtensionIds[] = {
-      "gjaehgfemfahhmlgpdfknkhdnemmolop", "jkghodnilhceideoidjikpgommlajknk"};
-  for (const char* id : kImeMenuExtensionIds) {
-    if (extension_id == id)
-      return true;
-  }
-  return false;
-}
-#endif
 }  // namespace extension_misc