Refactors the auto-launch logic and adds tests for it.

ui/app_list/test/app_list_test_view_delegate.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/test/app_list_test_view_delegate.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
@@ skipping 77 matching lines @@
   callback.Run(base::FilePath());
 }
 
 void AppListTestViewDelegate::OpenSearchResult(SearchResult* result,
                                                bool auto_launch,
                                                int event_flags) {
   ++open_search_result_count_;
 }
 
 base::TimeDelta AppListTestViewDelegate::GetAutoLaunchTimeout() {
-  return base::TimeDelta();
+  return auto_launch_timeout_;
+}
+
+void AppListTestViewDelegate::AutoLaunchCanceled() {
+  auto_launch_timeout_ = base::TimeDelta();
 }
 
 void AppListTestViewDelegate::Dismiss() {
   ++dismiss_count_;
 }
 
 gfx::ImageSkia AppListTestViewDelegate::GetWindowIcon() {
   return gfx::ImageSkia();
 }
 
@@ skipping 19 matching lines @@
   observers_.AddObserver(observer);
 }
 
 void AppListTestViewDelegate::RemoveObserver(
     AppListViewDelegateObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace test
 }  // namespace app_list