Enables the 'hotword not listening' icon in the search box.

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 73b236f43d5c253a61ccb09ae2afd519b57f1bbb..202da6e05f6db5ae83b1a72a17896681224aa11d 100644
--- a/ui/app_list/test/app_list_test_view_delegate.cc
+++ b/ui/app_list/test/app_list_test_view_delegate.cc
@@ -53,7 +53,8 @@ AppListTestViewDelegate::AppListTestViewDelegate()
     : dismiss_count_(0),
       open_search_result_count_(0),
       test_signin_delegate_(new TestSigninDelegate),
-      model_(new AppListTestModel) {
+      model_(new AppListTestModel),
+      speech_ui_(SPEECH_RECOGNITION_OFF) {
 }
 
 AppListTestViewDelegate::~AppListTestViewDelegate() {}