Tiny clean-up of ibus_cotroller.

chrome/browser/chromeos/input_method/ibus_controller.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_IBUS_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_IBUS_CONTROLLER_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 32 matching lines @@
     return virtual_keyboard_layouts_;
   }
   const std::string& language_code() const { return language_code_; }
 
   // Returns the fallback input method descriptor (the very basic US
   // keyboard). This function is mostly used for testing, but may be used
   // as the fallback, when there is no other choice.
   static InputMethodDescriptor GetFallbackInputMethodDescriptor();
 
  private:
+  // For GetFallbackInputMethodDescriptor(). Use the public constructor instead.
+  InputMethodDescriptor(const std::string& in_id,
+                        const std::string& in_keyboard_layout,
+                        const std::string& in_virtual_keyboard_layouts,
+                        const std::string& in_language_code);
+
   // An ID that identifies an input method engine (e.g., "t:latn-post",
   // "pinyin", "hangul").
   std::string id_;
   // A preferred physical keyboard layout for the input method (e.g., "us",
   // "us(dvorak)", "jp"). Comma separated layout names do NOT appear.
   std::string keyboard_layout_;
   // Preferred virtual keyboard layouts for the input method. Comma separated
   // layout names in order of priority, such as "handwriting,us", could appear.
   std::vector<std::string> virtual_keyboard_layouts_;
   // Language codes like "ko", "ja", "zh_CN", and "t".
@@ skipping 196 matching lines @@
   virtual bool InputMethodIdIsWhitelisted(
       const std::string& input_method_id) = 0;
   // Returns true if |xkb_layout| is supported.
   virtual bool XkbLayoutIsSupported(const std::string& xkb_layout) = 0;
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_IBUS_CONTROLLER_H_