ozone/platform/wayland: Add WaylandTest base class to eliminate redundancy

ui/ozone/platform/wayland/mock_platform_window_delegate.h

 // Copyright 2016 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 UI_OZONE_PLATFORM_WAYLAND_MOCK_PLATFORM_WINDOW_DELEGATE_H_
+#define UI_OZONE_PLATFORM_WAYLAND_MOCK_PLATFORM_WINDOW_DELEGATE_H_
+
 #include "ui/platform_window/platform_window_delegate.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ui {
 
 class MockPlatformWindowDelegate : public PlatformWindowDelegate {
  public:
   MockPlatformWindowDelegate();
   ~MockPlatformWindowDelegate();
 
   MOCK_METHOD1(OnBoundsChanged, void(const gfx::Rect& new_bounds));
   MOCK_METHOD1(OnDamageRect, void(const gfx::Rect& damaged_region));
   MOCK_METHOD1(DispatchEvent, void(Event* event));
   MOCK_METHOD0(OnCloseRequest, void());
   MOCK_METHOD0(OnClosed, void());
   MOCK_METHOD1(OnWindowStateChanged, void(PlatformWindowState new_state));
   MOCK_METHOD0(OnLostCapture, void());
   MOCK_METHOD2(OnAcceleratedWidgetAvailable,
                void(gfx::AcceleratedWidget widget, float device_pixel_ratio));
   MOCK_METHOD0(OnAcceleratedWidgetDestroyed, void());
   MOCK_METHOD1(OnActivationChanged, void(bool active));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockPlatformWindowDelegate);
 };
 
 }  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_WAYLAND_MOCK_PLATFORM_WINDOW_DELEGATE_H_