Optimization: not sending answer server requests for voice queries.

chrome/browser/ui/app_list/search_answer_web_contents_delegate.cc

Index: chrome/browser/ui/app_list/search_answer_web_contents_delegate.cc
diff --git a/chrome/browser/ui/app_list/search_answer_web_contents_delegate.cc b/chrome/browser/ui/app_list/search_answer_web_contents_delegate.cc
index 08af8884a8f4d1fc49703d00bc974ef42845cb1d..ad1940e394ee63263218f4664d7016f4edcda6c6 100644
--- a/chrome/browser/ui/app_list/search_answer_web_contents_delegate.cc
+++ b/chrome/browser/ui/app_list/search_answer_web_contents_delegate.cc
@@ -53,7 +53,7 @@ views::View* SearchAnswerWebContentsDelegate::web_view() {
   return web_view_.get();
 }
 
-void SearchAnswerWebContentsDelegate::Update() {
+void SearchAnswerWebContentsDelegate::Update(bool is_voice_query) {
   if (!answer_server_url_.is_valid())
     return;
 
@@ -62,6 +62,12 @@ void SearchAnswerWebContentsDelegate::Update() {
   model_->SetSearchAnswerAvailable(false);
   current_request_url_ = GURL();
 
+  if (is_voice_query) {
+    // No need to send a server request and show a card because launcher
+    // automatically closes upon voice queries.
+    return;
+  }
+
   if (!model_->search_engine_is_google())
     return;