Introduces UMA for app-list voice search.

ui/app_list/views/app_list_main_view.cc

 // Copyright 2013 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/app_list_main_view.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 208 matching lines @@
   TrimWhitespace(model_->search_box()->text(), TRIM_ALL, &query);
   bool should_show_search = !query.empty();
   contents_view_->ShowSearchResults(should_show_search);
 
   if (should_show_search)
     delegate_->StartSearch();
   else
     delegate_->StopSearch();
 }
 
-void AppListMainView::OpenResult(SearchResult* result, int event_flags) {
-  delegate_->OpenSearchResult(result, event_flags);
+void AppListMainView::OpenResult(SearchResult* result,
+                                 bool auto_launch,
+                                 int event_flags) {
+  delegate_->OpenSearchResult(result, auto_launch, event_flags);
 }
 
 void AppListMainView::InvokeResultAction(SearchResult* result,
                                          int action_index,
                                          int event_flags) {
   delegate_->InvokeSearchResultAction(result, action_index, event_flags);
 }
 
 void AppListMainView::OnResultInstalled(SearchResult* result) {
   // Clears the search to show the apps grid. The last installed app
   // should be highlighted and made visible already.
   search_box_view_->ClearSearch();
 }
 
 void AppListMainView::OnResultUninstalled(SearchResult* result) {
   // Resubmit the query via a posted task so that all observers for the
   // uninstall notification are notified.
   base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(&AppListMainView::QueryChanged,
                  weak_ptr_factory_.GetWeakPtr(),
                  search_box_view_));
 }
 
 }  // namespace app_list