Better CrOS logout button for vertical trays.

ui/views/controls/button/md_text_button.h

Index: ui/views/controls/button/md_text_button.h
diff --git a/ui/views/controls/button/md_text_button.h b/ui/views/controls/button/md_text_button.h
index 5adc6eec9b635d4bc235e60db9df6cce0e28d219..5ada157a163f4d841dd0b1e5ebd2108619b63d4a 100644
--- a/ui/views/controls/button/md_text_button.h
+++ b/ui/views/controls/button/md_text_button.h
@@ -46,11 +46,13 @@ class VIEWS_EXPORT MdTextButton : public LabelButton {
   void OnFocus() override;
   void OnBlur() override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
+  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
   std::unique_ptr<views::InkDropHighlight> CreateInkDropHighlight()
       const override;
   SkColor GetInkDropBaseColor() const override;
   bool ShouldShowInkDropForFocus() const override;
   void SetEnabledTextColors(SkColor color) override;
+  void SetText(const base::string16& text) override;
   void AdjustFontSize(int size_delta) override;
   void UpdateStyleToIndicateDefaultStatus() override;