[Views] Only paint background of text portion of LabelButton in inverted color theme.

ui/views/controls/button/label_button_border.cc

Index: ui/views/controls/button/label_button_border.cc
diff --git a/ui/views/controls/button/label_button_border.cc b/ui/views/controls/button/label_button_border.cc
index d124764fd7619655fb258258a59bf7a8b71e7dcd..5973a1ab5c3ae0d2f1004ffbd086233fc3358961 100644
--- a/ui/views/controls/button/label_button_border.cc
+++ b/ui/views/controls/button/label_button_border.cc
@@ -142,12 +142,6 @@ void LabelButtonBorder::Paint(const View& view, gfx::Canvas* canvas) {
   } else {
     PaintHelper(this, canvas, theme, part, state, rect, extra);
   }
-
-  // For inverted color schemes, draw a solid fill with the button color.
-  if (gfx::IsInvertedColorScheme()) {
-    rect.Inset(insets_);
-    canvas->FillRect(rect, extra.button.background_color);
-  }
 }
 
 gfx::Insets LabelButtonBorder::GetInsets() const {