Optimization: not sending answer server requests for voice queries.

ui/app_list/views/search_box_view.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 "ui/app_list/views/search_box_view.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 286 matching lines @@
 
 void SearchBoxView::OnEnabledChanged() {
   search_box_->SetEnabled(enabled());
   if (speech_button_)
     speech_button_->SetEnabled(enabled());
 }
 
 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);
 }
 
 void SearchBoxView::NotifyQueryChanged() {
   DCHECK(delegate_);
   delegate_->QueryChanged(this);
 }
 
 void SearchBoxView::ContentsChanged(views::Textfield* sender,
@@ skipping 97 matching lines @@
 void SearchBoxView::HintTextChanged() {
   const app_list::SearchBoxModel* search_box = model_->search_box();
   search_box_->set_placeholder_text(search_box->hint_text());
   search_box_->SetAccessibleName(search_box->accessible_name());
 }
 
 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();
 }
 
 void SearchBoxView::OnSpeechRecognitionStateChanged(
     SpeechRecognitionState new_state) {
   SpeechRecognitionButtonPropChanged();
   SchedulePaint();
 }
 
 }  // namespace app_list