Adds the speech recognition button to the app-list searchbox.

chrome/browser/ui/app_list/app_list_view_delegate.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 "chrome/browser/ui/app_list/app_list_view_delegate.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
@@ skipping 253 matching lines @@
 }
 
 void AppListViewDelegate::OpenFeedback() {
   chrome::HostDesktopType desktop = chrome::GetHostDesktopTypeForNativeWindow(
       controller_->GetAppListWindow());
   Browser* browser = chrome::FindTabbedBrowser(profile_, false, desktop);
   chrome::ShowFeedbackPage(browser, std::string(),
                            chrome::kAppLauncherCategoryTag);
 }
 
+void AppListViewDelegate::ToggleSpeechRecognition() {
+  app_list::StartPageService* service =
+      app_list::StartPageService::Get(profile_);
+  if (service)
+    service->ToggleSpeechRecognition();
+}
+
 void AppListViewDelegate::ShowForProfileByPath(
     const base::FilePath& profile_path) {
   controller_->ShowForProfileByPath(profile_path);
 }
 
 void AppListViewDelegate::OnSearch(const base::string16& query) {
   model_->search_box()->SetText(query);
 }
 
+void AppListViewDelegate::OnSpeechRecognitionStateChanged(bool recognizing) {
+  model_->search_box()->SetSpeechRecognitionButtonState(recognizing);
+}
+
 void AppListViewDelegate::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   OnProfileChanged();
 }
 
 void AppListViewDelegate::OnProfileAdded(const base::FilePath& profile_path) {
   OnProfileChanged();
 }
@@ skipping 15 matching lines @@
   if (!service)
     return NULL;
 
   return service->contents();
 }
 
 const app_list::AppListViewDelegate::Users&
 AppListViewDelegate::GetUsers() const {
   return users_;
 }