Show/hide ink drop highlight when button enable state changes.

ui/views/controls/button/custom_button_unittest.cc

Index: ui/views/controls/button/custom_button_unittest.cc
diff --git a/ui/views/controls/button/custom_button_unittest.cc b/ui/views/controls/button/custom_button_unittest.cc
index 889bc7beb6c5884dacba696d5cebb56f0433c80d..1425641559b085b38a43dddfcd383d4d2180de41 100644
--- a/ui/views/controls/button/custom_button_unittest.cc
+++ b/ui/views/controls/button/custom_button_unittest.cc
@@ -465,6 +465,19 @@ TEST_F(CustomButtonTest, HideInkDropOnBlur) {
   EXPECT_TRUE(button()->pressed());
 }
 
+TEST_F(CustomButtonTest, HideInkDropHighlightOnDisable) {
+  TestInkDrop* ink_drop = new TestInkDrop();
+  CreateButtonWithInkDrop(base::WrapUnique(ink_drop), false);
+
+  ui::test::EventGenerator generator(widget()->GetNativeWindow());
+  generator.MoveMouseToInHost(10, 10);
+  EXPECT_TRUE(ink_drop->is_hovered());
+  button()->SetEnabled(false);
+  EXPECT_FALSE(ink_drop->is_hovered());
+  button()->SetEnabled(true);
+  EXPECT_TRUE(ink_drop->is_hovered());
+}
+
 TEST_F(CustomButtonTest, InkDropAfterTryingToShowContextMenu) {
   TestInkDrop* ink_drop = new TestInkDrop();
   CreateButtonWithInkDrop(base::WrapUnique(ink_drop), false);