Hide hover effect on hidden ink drop host views.

ui/views/animation/ink_drop_host_view.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/ink_drop_host_view.h"
 
 #include "ui/events/event.h"
 #include "ui/events/scoped_target_handler.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/gfx/geometry/size_conversions.h"
@@ skipping 125 matching lines @@
 
 std::unique_ptr<InkDropHighlight> InkDropHostView::CreateInkDropHighlight()
     const {
   std::unique_ptr<InkDropHighlight> highlight(
       new InkDropHighlight(ink_drop_size_, kInkDropSmallCornerRadius,
                            GetInkDropCenter(), GetInkDropBaseColor()));
   highlight->set_explode_size(CalculateLargeInkDropSize(ink_drop_size_));
   return highlight;
 }
 
+void InkDropHostView::VisibilityChanged(View* starting_from, bool is_visible) {
+  View::VisibilityChanged(starting_from, is_visible);
+  if (GetWidget() && !is_visible) {
+    ink_drop()->AnimateToState(InkDropState::HIDDEN);
+    ink_drop()->SetHovered(false);
+  }
+}
+
 void InkDropHostView::OnFocus() {
   views::View::OnFocus();
   if (ShouldShowInkDropForFocus())
     ink_drop()->SetFocused(true);
 }
 
 void InkDropHostView::OnBlur() {
   views::View::OnBlur();
   if (ShouldShowInkDropForFocus())
     ink_drop()->SetFocused(false);
@@ skipping 34 matching lines @@
     gesture_handler_.reset();
     ink_drop_.reset(new InkDropStub());
   }
 }
 
 void InkDropHostView::AnimateInkDrop(InkDropState ink_drop_state) {
   ink_drop_->AnimateToState(ink_drop_state);
 }
 
 }  // namespace views