|  | // Copyright 2015 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. | 
|  |  | 
|  | #ifndef COMPONENTS_UPDATE_CLIENT_ACTION_WAIT_H_ | 
|  | #define COMPONENTS_UPDATE_CLIENT_ACTION_WAIT_H_ | 
|  |  | 
|  | #include "base/callback.h" | 
|  | #include "base/macros.h" | 
|  | #include "base/time/time.h" | 
|  |  | 
|  | #include "components/update_client/action.h" | 
|  |  | 
|  | namespace update_client { | 
|  |  | 
|  | // Implements a wait between handling updates for the CRXs in this context. | 
|  | // To avoid thrashing of local computing resources, updates are applied one | 
|  | // at a time, with a delay between them. | 
|  | class ActionWait : public Action, protected ActionImpl { | 
|  | public: | 
|  | explicit ActionWait(const base::TimeDelta& time_delta); | 
|  | ~ActionWait() override; | 
|  |  | 
|  | void Run(UpdateContext* update_context, Callback callback) override; | 
|  |  | 
|  | private: | 
|  | void WaitComplete(); | 
|  |  | 
|  | const base::TimeDelta time_delta_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(ActionWait); | 
|  | }; | 
|  |  | 
|  | }  // namespace update_client | 
|  |  | 
|  | #endif  // COMPONENTS_UPDATE_CLIENT_ACTION_WAIT_H_ |