Refactored static_cast'ing of events to use the AsXXXEvent() methods.

ui/ozone/platform/wayland/wayland_pointer_unittest.cc

 // 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.
 
 #include <linux/input.h>
 #include <wayland-server.h>
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event.h"
@@ skipping 68 matching lines @@
   wl_pointer_send_motion(pointer->resource(), 1002, wl_fixed_from_double(10.75),
                          wl_fixed_from_double(20.375));
 
   std::unique_ptr<Event> event;
   EXPECT_CALL(delegate, DispatchEvent(_)).WillOnce(CloneEvent(&event));
 
   Sync();
 
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->IsMouseEvent());
-  auto mouse_event = static_cast<MouseEvent*>(event.get());
+  auto mouse_event = event->AsMouseEvent();
   EXPECT_EQ(ET_MOUSE_MOVED, mouse_event->type());
   EXPECT_EQ(0, mouse_event->button_flags());
   EXPECT_EQ(0, mouse_event->changed_button_flags());
   // TODO(forney): Once crbug.com/337827 is solved, compare with the fractional
   // coordinates sent above.
   EXPECT_EQ(gfx::PointF(10, 20), mouse_event->location_f());
   EXPECT_EQ(gfx::PointF(10, 20), mouse_event->root_location_f());
 }
 
 TEST_F(WaylandPointerTest, MotionDragged) {
   wl_pointer_send_enter(pointer->resource(), 1, surface->resource(), 0, 0);
   wl_pointer_send_button(pointer->resource(), 2, 1002, BTN_MIDDLE,
                          WL_POINTER_BUTTON_STATE_PRESSED);
 
   Sync();
 
   std::unique_ptr<Event> event;
   EXPECT_CALL(delegate, DispatchEvent(_)).WillOnce(CloneEvent(&event));
   wl_pointer_send_motion(pointer->resource(), 1003, wl_fixed_from_int(400),
                          wl_fixed_from_int(500));
 
   Sync();
 
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->IsMouseEvent());
-  auto mouse_event = static_cast<MouseEvent*>(event.get());
+  auto mouse_event = event->AsMouseEvent();
   EXPECT_EQ(ET_MOUSE_DRAGGED, mouse_event->type());
   EXPECT_EQ(EF_MIDDLE_MOUSE_BUTTON, mouse_event->button_flags());
   EXPECT_EQ(0, mouse_event->changed_button_flags());
   EXPECT_EQ(gfx::PointF(400, 500), mouse_event->location_f());
   EXPECT_EQ(gfx::PointF(400, 500), mouse_event->root_location_f());
 }
 
 TEST_F(WaylandPointerTest, ButtonPress) {
   wl_pointer_send_enter(pointer->resource(), 1, surface->resource(),
                         wl_fixed_from_int(200), wl_fixed_from_int(150));
   wl_pointer_send_button(pointer->resource(), 2, 1002, BTN_RIGHT,
                          WL_POINTER_BUTTON_STATE_PRESSED);
 
   Sync();
 
   std::unique_ptr<Event> event;
   EXPECT_CALL(delegate, DispatchEvent(_)).WillOnce(CloneEvent(&event));
   wl_pointer_send_button(pointer->resource(), 3, 1003, BTN_LEFT,
                          WL_POINTER_BUTTON_STATE_PRESSED);
 
   Sync();
 
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->IsMouseEvent());
-  auto mouse_event = static_cast<MouseEvent*>(event.get());
+  auto mouse_event = event->AsMouseEvent();
   EXPECT_EQ(ET_MOUSE_PRESSED, mouse_event->type());
   EXPECT_EQ(EF_LEFT_MOUSE_BUTTON | EF_RIGHT_MOUSE_BUTTON,
             mouse_event->button_flags());
   EXPECT_EQ(EF_LEFT_MOUSE_BUTTON, mouse_event->changed_button_flags());
   EXPECT_EQ(gfx::PointF(200, 150), mouse_event->location_f());
   EXPECT_EQ(gfx::PointF(200, 150), mouse_event->root_location_f());
 }
 
 TEST_F(WaylandPointerTest, ButtonRelease) {
   wl_pointer_send_enter(pointer->resource(), 1, surface->resource(),
                         wl_fixed_from_int(50), wl_fixed_from_int(50));
   wl_pointer_send_button(pointer->resource(), 2, 1002, BTN_BACK,
                          WL_POINTER_BUTTON_STATE_PRESSED);
   wl_pointer_send_button(pointer->resource(), 3, 1003, BTN_LEFT,
                          WL_POINTER_BUTTON_STATE_PRESSED);
 
   Sync();
 
   std::unique_ptr<Event> event;
   EXPECT_CALL(delegate, DispatchEvent(_)).WillOnce(CloneEvent(&event));
   wl_pointer_send_button(pointer->resource(), 4, 1004, BTN_LEFT,
                          WL_POINTER_BUTTON_STATE_RELEASED);
 
   Sync();
 
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->IsMouseEvent());
-  auto mouse_event = static_cast<MouseEvent*>(event.get());
+  auto mouse_event = event->AsMouseEvent();
   EXPECT_EQ(ET_MOUSE_RELEASED, mouse_event->type());
   EXPECT_EQ(EF_LEFT_MOUSE_BUTTON | EF_BACK_MOUSE_BUTTON,
             mouse_event->button_flags());
   EXPECT_EQ(EF_LEFT_MOUSE_BUTTON, mouse_event->changed_button_flags());
   EXPECT_EQ(gfx::PointF(50, 50), mouse_event->location_f());
   EXPECT_EQ(gfx::PointF(50, 50), mouse_event->root_location_f());
 }
 
 TEST_F(WaylandPointerTest, AxisVertical) {
   wl_pointer_send_enter(pointer->resource(), 1, surface->resource(),
                         wl_fixed_from_int(0), wl_fixed_from_int(0));
   wl_pointer_send_button(pointer->resource(), 2, 1002, BTN_RIGHT,
                          WL_POINTER_BUTTON_STATE_PRESSED);
 
   Sync();
 
   std::unique_ptr<Event> event;
   EXPECT_CALL(delegate, DispatchEvent(_)).WillOnce(CloneEvent(&event));
   // Wayland servers typically send a value of 10 per mouse wheel click.
   wl_pointer_send_axis(pointer->resource(), 1003,
                        WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_int(20));
 
   Sync();
 
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->IsMouseWheelEvent());
-  auto mouse_wheel_event = static_cast<MouseWheelEvent*>(event.get());
+  auto mouse_wheel_event = event->AsMouseWheelEvent();
   EXPECT_EQ(gfx::Vector2d(0, -2 * MouseWheelEvent::kWheelDelta),
             mouse_wheel_event->offset());
   EXPECT_EQ(EF_RIGHT_MOUSE_BUTTON, mouse_wheel_event->button_flags());
   EXPECT_EQ(0, mouse_wheel_event->changed_button_flags());
   EXPECT_EQ(gfx::PointF(), mouse_wheel_event->location_f());
   EXPECT_EQ(gfx::PointF(), mouse_wheel_event->root_location_f());
 }
 
 TEST_F(WaylandPointerTest, AxisHorizontal) {
   wl_pointer_send_enter(pointer->resource(), 1, surface->resource(),
                         wl_fixed_from_int(50), wl_fixed_from_int(75));
   wl_pointer_send_button(pointer->resource(), 2, 1002, BTN_LEFT,
                          WL_POINTER_BUTTON_STATE_PRESSED);
 
   Sync();
 
   std::unique_ptr<Event> event;
   EXPECT_CALL(delegate, DispatchEvent(_)).WillOnce(CloneEvent(&event));
   // Wayland servers typically send a value of 10 per mouse wheel click.
   wl_pointer_send_axis(pointer->resource(), 1003,
                        WL_POINTER_AXIS_HORIZONTAL_SCROLL,
                        wl_fixed_from_int(10));
 
   Sync();
 
   ASSERT_TRUE(event);
   ASSERT_TRUE(event->IsMouseWheelEvent());
-  auto mouse_wheel_event = static_cast<MouseWheelEvent*>(event.get());
+  auto mouse_wheel_event = event->AsMouseWheelEvent();
   EXPECT_EQ(gfx::Vector2d(MouseWheelEvent::kWheelDelta, 0),
             mouse_wheel_event->offset());
   EXPECT_EQ(EF_LEFT_MOUSE_BUTTON, mouse_wheel_event->button_flags());
   EXPECT_EQ(0, mouse_wheel_event->changed_button_flags());
   EXPECT_EQ(gfx::PointF(50, 75), mouse_wheel_event->location_f());
   EXPECT_EQ(gfx::PointF(50, 75), mouse_wheel_event->root_location_f());
 }
 
 }  // namespace ui