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

ui/app_list/test/app_list_test_view_delegate.cc

Index: ui/app_list/test/app_list_test_view_delegate.cc
diff --git a/ui/app_list/test/app_list_test_view_delegate.cc b/ui/app_list/test/app_list_test_view_delegate.cc
index 56c2e8f3ea1b06802a30fae5c65e109b8601b064..99b2cd2bb050290efb98369f8912d5d29c06797a 100644
--- a/ui/app_list/test/app_list_test_view_delegate.cc
+++ b/ui/app_list/test/app_list_test_view_delegate.cc
@@ -23,8 +23,7 @@ AppListTestViewDelegate::AppListTestViewDelegate()
       toggle_speech_recognition_count_(0),
       open_search_result_count_(0),
       next_profile_app_count_(0),
-      model_(new AppListTestModel),
-      speech_ui_(SPEECH_RECOGNITION_OFF) {
+      model_(new AppListTestModel) {
   model_->SetFoldersEnabled(true);
 }