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

chrome/browser/chromeos/input_method/input_method_descriptor.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 "chrome/browser/chromeos/input_method/input_method_descriptor.h"
 
 #include <sstream>
 
 #include "base/logging.h"
 #include "base/string_split.h"
 
 namespace chromeos {
 namespace input_method {
 
 namespace {
 const char kFallbackLayout[] = "us";
 }  // namespace
 
 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)
     : id_(id),
       name_(name),
       keyboard_layout_(keyboard_layout),
-      language_code_(language_code) {
+      language_code_(language_code),
+      third_party_(third_party) {
 }
 
-InputMethodDescriptor::InputMethodDescriptor() {
+InputMethodDescriptor::InputMethodDescriptor() : third_party_(false) {
 }
 
 InputMethodDescriptor::~InputMethodDescriptor() {
 }
 
 bool InputMethodDescriptor::operator==(
     const InputMethodDescriptor& other) const {
   return id() == other.id();
 }
 
 bool InputMethodDescriptor::operator!=(
     const InputMethodDescriptor& other) const {
   return !(*this == other);
 }
 
 // static
 InputMethodDescriptor
 InputMethodDescriptor::GetFallbackInputMethodDescriptor() {
   return InputMethodDescriptor("xkb:us::eng",
                                "",
                                kFallbackLayout,
-                               "en-US");
+                               "en-US",
+                               false);
 }
 
 std::string InputMethodDescriptor::ToString() const {
   std::stringstream stream;
   stream << "id=" << id()
          << ", name=" << name()
          << ", keyboard_layout=" << keyboard_layout()
-         << ", language_code=" << language_code();
+         << ", language_code=" << language_code()
+         << ", third_party=" << third_party();
   return stream.str();
 }
 
 }  // namespace input_method
 }  // namespace chromeos