Add decoration to the language button to indicate that a third party IME is in use

chrome/browser/chromeos/input_method/input_method_descriptor.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_DESCRIPTOR_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_DESCRIPTOR_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 
 namespace chromeos {
 namespace input_method {
 
 class InputMethodWhitelist;
 
 // A structure which represents an input method.
 class InputMethodDescriptor {
  public:
   InputMethodDescriptor();
   InputMethodDescriptor(const std::string& id,
                         const std::string& name,
                         const std::string& keyboard_layout,
-                        const std::string& language_code);
+                        const std::string& language_code,
+                        bool third_party);
   ~InputMethodDescriptor();
 
   bool operator==(const InputMethodDescriptor& other) const;
   bool operator!=(const InputMethodDescriptor& other) const;
 
   // Debug print function.
   std::string ToString() const;
 
   const std::string& id() const { return id_; }
   const std::string& name() const { return name_; }
   const std::string& keyboard_layout() const { return keyboard_layout_; }
   const std::string& language_code() const { return language_code_; }
+  bool third_party() const { return third_party_; }
 
   // 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:
   // An ID that identifies an input method engine (e.g., "t:latn-post",
   // "pinyin", "hangul").
   std::string id_;
   // A name used to specify the user-visible name of this input method.  It is
   // only used by extension IMEs, and should be blank for internal IMEs.
   std::string name_;
   // 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_;
   // Language code like "ko", "ja", "en-US", and "zh-CN".
   std::string language_code_;
+  // Indicates if this is a third party ime
+  bool third_party_;
 };
 
 typedef std::vector<InputMethodDescriptor> InputMethodDescriptors;
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_DESCRIPTOR_H_