ozone: Fix chromium-style method override warnings

ui/events/ozone/chromeos/cursor_controller_unittest.cc

 // Copyright 2014 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 "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/ozone/chromeos/cursor_controller.h"
 
 namespace ui {
 
 namespace {
 
 const gfx::AcceleratedWidget kTestWindow = 1;
 
 }  // namespace
 
 class CursorControllerTest : public testing::Test {
  public:
   CursorControllerTest() {}
-  virtual ~CursorControllerTest() {}
+  ~CursorControllerTest() override {}
 
   void TearDown() override {
     ui::CursorController::GetInstance()->ClearCursorConfigForWindow(
         kTestWindow);
   }
 
   DISALLOW_COPY_AND_ASSIGN(CursorControllerTest);
 };
 
 TEST_F(CursorControllerTest, UnconfiguredIdentity) {
@@ skipping 25 matching lines @@
   // Check that 90deg rotated highdpi window transforms correctly.
   cursor_controller->SetCursorConfigForWindow(kTestWindow,
                                               gfx::Display::ROTATE_90, 2.f);
   gfx::Vector2dF delta(3.f, 5.f);
   cursor_controller->ApplyCursorConfigForWindow(kTestWindow, &delta);
   EXPECT_FLOAT_EQ(-10.f, delta.x());
   EXPECT_FLOAT_EQ(6.f, delta.y());
 }
 
 }  // namespace ui