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..bc304d42a3e413f2e88b886ccc2ecfee8090443a 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
@@ -62,6 +62,12 @@ void SearchAnswerWebContentsDelegate::Update() {
   model_->SetSearchAnswerAvailable(false);
   current_request_url_ = GURL();
 
+  if (model_->search_box()->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;