clang-format all of //ash

ash/desktop_background/desktop_background_controller_test_api.cc

 // Copyright 2014 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 "ash/desktop_background/desktop_background_controller_test_api.h"
 
 namespace ash {
 
 DesktopBackgroundController::TestAPI::TestAPI(
     DesktopBackgroundController* controller)
-    : controller_(controller) {
-}
+    : controller_(controller) {}
 
 void DesktopBackgroundController::TestAPI::set_wallpaper_reload_delay_for_test(
     bool value) {
   controller_->set_wallpaper_reload_delay_for_test(value);
 }
 
 }  // namespace ash