Rename InkDropHover to InkDropHighlight

ui/views/animation/test/test_ink_drop_hover_observer.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 "ui/views/animation/test/test_ink_drop_hover_observer.h"
-
-#include "ui/views/animation/ink_drop_hover.h"
-
-namespace views {
-namespace test {
-
-TestInkDropHoverObserver::TestInkDropHoverObserver() {}
-
-void TestInkDropHoverObserver::AnimationStarted(
-    InkDropHover::AnimationType animation_type) {
-  ObserverHelper::OnAnimationStarted(animation_type);
-}
-
-void TestInkDropHoverObserver::AnimationEnded(
-    InkDropHover::AnimationType animation_type,
-    InkDropAnimationEndedReason reason) {
-  ObserverHelper::OnAnimationEnded(animation_type, reason);
-}
-
-}  // namespace test
-}  // namespace views