Delete InputMethodEngine::CreateEngine and call the InputMethodEngineIBus contructor directly.

chrome/browser/chromeos/input_method/input_method_engine.h

Index: chrome/browser/chromeos/input_method/input_method_engine.h
diff --git a/chrome/browser/chromeos/input_method/input_method_engine.h b/chrome/browser/chromeos/input_method/input_method_engine.h
index fca6f8614e287d84c123324786de78dae903d2bb..be628df8bee743d932d96ec22aa00805a3d74fd7 100644
--- a/chrome/browser/chromeos/input_method/input_method_engine.h
+++ b/chrome/browser/chromeos/input_method/input_method_engine.h
@@ -238,19 +238,6 @@ class InputMethodEngine {
                                      int offset,
                                      size_t number_of_chars,
                                      std::string* error) = 0;
-
-  // Create an IME engine.
-  static InputMethodEngine* CreateEngine(
-      InputMethodEngine::Observer* observer,
-      const char* engine_name,
-      const char* extension_id,
-      const char* engine_id,
-      const char* description,
-      const std::vector<std::string>& language,
-      const std::vector<std::string>& layouts,
-      const GURL& options_page,
-      const GURL& input_view,
-      std::string* error);
 };
 
 }  // namespace chromeos