Adds an integration test for uninstalling app list search results.

ash/wm/app_list_controller.cc

Index: ash/wm/app_list_controller.cc
diff --git a/ash/wm/app_list_controller.cc b/ash/wm/app_list_controller.cc
index ea5e4f4ce906b51952f53786cc45a77f1f97dc56..56c068dd57f579a2307aaef026a6d237a3d90cbc 100644
--- a/ash/wm/app_list_controller.cc
+++ b/ash/wm/app_list_controller.cc
@@ -211,6 +211,10 @@ aura::Window* AppListController::GetWindow() {
   return is_visible_ && view_ ? view_->GetWidget()->GetNativeWindow() : NULL;
 }
 
+app_list::AppListView* AppListController::GetViewForTesting() {
+  return view_;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // AppListController, private: