Fix SpeechUIModel lifetime issue in Chrome's AppListViewDelegate when switching profiles

athena/home/app_list_view_delegate.cc

 // Copyright 2014 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 "athena/home/app_list_view_delegate.h"
 
 #include <string>
 #include <vector>
 
 #include "athena/home/public/app_model_builder.h"
@@ skipping 10 matching lines @@
 #include "ui/app_list/speech_ui_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/controls/image_view.h"
 
 namespace athena {
 
 AppListViewDelegate::AppListViewDelegate(AppModelBuilder* model_builder)
     : model_(new app_list::AppListModel),
-      speech_ui_(new app_list::SpeechUIModel(
-          app_list::SPEECH_RECOGNITION_OFF)) {
+      speech_ui_(new app_list::SpeechUIModel) {
   model_builder->PopulateApps(model_.get());
   // TODO(mukai): get the text from the resources.
   model_->search_box()->SetHintText(base::ASCIIToUTF16("Search"));
 }
 
 AppListViewDelegate::~AppListViewDelegate() {
   for (size_t i = 0; i < search_providers_.size(); ++i)
     search_providers_[i]->set_result_changed_callback(base::Closure());
 }
 
@@ skipping 138 matching lines @@
 const app_list::AppListViewDelegate::Users&
 AppListViewDelegate::GetUsers() const {
   return users_;
 }
 
 bool AppListViewDelegate::ShouldCenterWindow() const {
   return true;
 }
 
 }  // namespace athena