Do not SchedulePaint() inside views::Label::OnPaint()

ui/views/controls/label.h

Index: ui/views/controls/label.h
diff --git a/ui/views/controls/label.h b/ui/views/controls/label.h
index fd2a23e5fb9c41fa4f6e64906c884133c510b7cb..1663256bc8e0ea389de73d4728fe4fc6e5e00dea 100644
--- a/ui/views/controls/label.h
+++ b/ui/views/controls/label.h
@@ -180,8 +180,12 @@ class VIEWS_EXPORT Label : public View {
   // Get the text size for the current layout.
   gfx::Size GetTextSize() const;
 
+  // Updates |actual_{enabled,disabled}_color_| from requested colors.
   void RecalculateColors();
 
+  // Applies |actual_{enabled,disabled}_color_| to |lines_|.
+  void ApplyTextColors();
+
   // Updates any colors that have not been explicitly set from the theme.
   void UpdateColorsFromTheme(const ui::NativeTheme* theme);