Open the launcher when hotword is triggered in always-on mode.

chrome/browser/ui/app_list/app_list_service_impl.cc

Index: chrome/browser/ui/app_list/app_list_service_impl.cc
diff --git a/chrome/browser/ui/app_list/app_list_service_impl.cc b/chrome/browser/ui/app_list/app_list_service_impl.cc
index 00dcad6f41ccf880103917ee757504fc4f149d46..71bf177cd54b5dd6da8b8941d361671957c63c0c 100644
--- a/chrome/browser/ui/app_list/app_list_service_impl.cc
+++ b/chrome/browser/ui/app_list/app_list_service_impl.cc
@@ -330,6 +330,13 @@ void AppListServiceImpl::Show() {
                  weak_factory_.GetWeakPtr()));
 }
 
+void AppListServiceImpl::ShowForVoiceSearch(Profile* profile) {
+  ShowForProfile(profile);
+  app_list::AppListViewDelegate* delegate =
+      implicit_cast<app_list::AppListViewDelegate*>(view_delegate_.get());

[tapted, 2014/10/09 03:37:00]

you shouldn't need the implicit cast after a rebase

[Anand Mistry (off Chromium), 2014/10/13 21:51:59]

Done.

+  delegate->ToggleSpeechRecognition();
+}
+
 void AppListServiceImpl::AutoShowForProfile(Profile* requested_profile) {
   if (local_state_->GetInt64(prefs::kAppListEnableTime) != 0) {
     // User has not yet discovered the app launcher. Update the enable method to