Optimization: not sending answer server requests for voice queries.

ui/app_list/views/search_box_view.cc

Index: ui/app_list/views/search_box_view.cc
diff --git a/ui/app_list/views/search_box_view.cc b/ui/app_list/views/search_box_view.cc
index 2d70b80eca8c6e74651189199f843f1795272b50..72c7e2bdcdaaac73e3facef98c2a1b104388686b 100644
--- a/ui/app_list/views/search_box_view.cc
+++ b/ui/app_list/views/search_box_view.cc
@@ -304,7 +304,7 @@ void SearchBoxView::OnEnabledChanged() {
 void SearchBoxView::UpdateModel() {
   // Temporarily remove from observer to ignore notifications caused by us.
   model_->search_box()->RemoveObserver(this);
-  model_->search_box()->SetText(search_box_->text());
+  model_->search_box()->Update(search_box_->text(), false);
   model_->search_box()->SetSelectionModel(search_box_->GetSelectionModel());
   model_->search_box()->AddObserver(this);
 }
@@ -422,7 +422,7 @@ void SearchBoxView::SelectionModelChanged() {
   search_box_->SelectSelectionModel(model_->search_box()->selection_model());
 }
 
-void SearchBoxView::TextChanged() {
+void SearchBoxView::Update() {
   search_box_->SetText(model_->search_box()->text());
   NotifyQueryChanged();
 }