Remove extension_misc::IsImeMenuExtensionId.

chrome/common/extensions/extension_constants.cc

Index: chrome/common/extensions/extension_constants.cc
diff --git a/chrome/common/extensions/extension_constants.cc b/chrome/common/extensions/extension_constants.cc
index ba458831ede8d9830c9d6e8b610422a85c001c57..c559508b41c2e67f8ca431745e9e95dab6ee25de 100644
--- a/chrome/common/extensions/extension_constants.cc
+++ b/chrome/common/extensions/extension_constants.cc
@@ -96,16 +96,4 @@ 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