Migrating majority of gamepad from content/browser/ to device/

content/browser/gamepad/gamepad_test_helpers.h

-// Copyright (c) 2012 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 CONTENT_BROWSER_GAMEPAD_GAMEPAD_TEST_HELPERS_H_
-#define CONTENT_BROWSER_GAMEPAD_GAMEPAD_TEST_HELPERS_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/synchronization/lock.h"
-#include "base/synchronization/waitable_event.h"
-#include "content/browser/gamepad/gamepad_data_fetcher.h"
-#include "third_party/WebKit/public/platform/WebGamepads.h"
-
-namespace content {
-
-class GamepadService;
-
-// Data fetcher that returns canned data for the gamepad provider.
-class MockGamepadDataFetcher : public GamepadDataFetcher {
- public:
-  // Initializes the fetcher with the given gamepad data, which will be
-  // returned when the provider queries us.
-  explicit MockGamepadDataFetcher(const blink::WebGamepads& test_data);
-
-  ~MockGamepadDataFetcher() override;
-
-  // GamepadDataFetcher.
-  void GetGamepadData(blink::WebGamepads* pads,
-                      bool devices_changed_hint) override;
-
-  // Blocks the current thread until the GamepadProvider reads from this
-  // fetcher on the background thread.
-  void WaitForDataRead();
-
-  // Blocks the current thread until the GamepadProvider reads from this
-  // fetcher on the background thread and issued all callbacks related to the
-  // read on the client's thread.
-  void WaitForDataReadAndCallbacksIssued();
-
-  // Updates the test data.
-  void SetTestData(const blink::WebGamepads& new_data);
-
- private:
-  base::Lock lock_;
-  blink::WebGamepads test_data_;
-  base::WaitableEvent read_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockGamepadDataFetcher);
-};
-
-// Base class for the other test helpers. This just sets up the system monitor.
-class GamepadTestHelper {
- public:
-  GamepadTestHelper();
-  virtual ~GamepadTestHelper();
-
-  base::MessageLoop& message_loop() { return message_loop_; }
-
- private:
-  // This must be constructed before the system monitor.
-  base::MessageLoop message_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(GamepadTestHelper);
-};
-
-// Constructs a GamepadService with a mock data source. This bypasses the
-// global singleton for the gamepad service.
-class GamepadServiceTestConstructor : public GamepadTestHelper {
- public:
-  explicit GamepadServiceTestConstructor(const blink::WebGamepads& test_data);
-  ~GamepadServiceTestConstructor() override;
-
-  GamepadService* gamepad_service() { return gamepad_service_; }
-  MockGamepadDataFetcher* data_fetcher() { return data_fetcher_; }
-
- private:
-  // Owning pointer (can't be a scoped_ptr due to private destructor).
-  GamepadService* gamepad_service_;
-
-  // Pointer owned by the provider (which is owned by the gamepad service).
-  MockGamepadDataFetcher* data_fetcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(GamepadServiceTestConstructor);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_GAMEPAD_GAMEPAD_TEST_HELPERS_H_