Fixes ink drop being "stuck" on when losing focus.

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 6ffdd81746ca94b555bd111d9a94718c04fed722..8f6204e90ff4db2ec44e4ba0018c4bd006596599 100644
--- a/ui/views/controls/button/custom_button_unittest.cc
+++ b/ui/views/controls/button/custom_button_unittest.cc
@@ -78,6 +78,9 @@ class TestCustomButton : public CustomButton, public ButtonListener {
     canceled_ = false;
   }
 
+  // Raised visibility of OnFocus() to public
+  void OnFocus() override { CustomButton::OnFocus(); }
+
  private:
   bool pressed_ = false;
   bool canceled_ = false;
@@ -468,6 +471,29 @@ TEST_F(CustomButtonTest, DontHideInkDropWhenShowingContextMenu) {
             ink_drop_delegate->GetTargetInkDropState());
 }
 
+TEST_F(CustomButtonTest, HideInkDropOnBlur) {
+  gfx::Point center(10, 10);
+
+  TestInkDropDelegate* ink_drop_delegate = new TestInkDropDelegate();
+  CreateButtonWithInkDrop(base::WrapUnique(ink_drop_delegate));
+
+  button()->OnFocus();
+
+  button()->OnMousePressed(ui::MouseEvent(
+      ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(),
+      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
+  EXPECT_EQ(InkDropState::ACTION_PENDING,
+            ink_drop_delegate->GetTargetInkDropState());
+
+  button()->OnBlur();
+  EXPECT_EQ(InkDropState::HIDDEN, ink_drop_delegate->GetTargetInkDropState());
+
+  button()->OnMouseReleased(ui::MouseEvent(
+      ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(),
+      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
+  EXPECT_TRUE(button()->pressed());
+}
+
 TEST_F(CustomButtonTest, InkDropAfterTryingToShowContextMenu) {
   TestInkDropDelegate* ink_drop_delegate = new TestInkDropDelegate();
   CreateButtonWithInkDrop(base::WrapUnique(ink_drop_delegate));