Revert of Retry to add MockPresentationClient to use in layout tests.

content/shell/renderer/test_runner/mock_presentation_service.h

-// 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 CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_PRESENTATION_SERVICE_H_
-#define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_PRESENTATION_SERVICE_H_
-
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "content/shell/renderer/test_runner/mock_presentation_client.h"
-
-namespace content {
-
-// A mock implementation of the Mojo PresentationService to be used in tests
-// with content shell. Keeps track of all MockPresentationClient instances and
-// updates each instance with the new state if needed. The service is owned by
-// the WebTextProxy instance (so only one exists per RenderView).
-class MockPresentationService {
- public:
-  MockPresentationService();
-  ~MockPresentationService();
-
-  // Imitates getting the actual screen availability for the platform.
-  // If the state changed from the last call, notifies the registered clients.
-  void SetScreenAvailability(bool available);
-
-  // Resets the service state to the defaults for the next test.
-  void Reset();
-
-  // ObserverList implementation.
-  void RegisterPresentationClientMock(MockPresentationClient* client);
-  void UnregisterPresentationClientMock(MockPresentationClient* client);
-
- private:
-  // The last known state of the screen availability, defaults to false.
-  bool screen_availability_;
-  // The registered presentation client mocks.
-  ObserverList<MockPresentationClient> presentation_clients_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockPresentationService);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_PRESENTATION_SERVICE_H_