Revert of [ash-md] Fades overview header in and out

ash/common/frame/header_view.cc

Index: ash/common/frame/header_view.cc
diff --git a/ash/common/frame/header_view.cc b/ash/common/frame/header_view.cc
index 11f0b75811c88f13636952f80df25c0c8d278e69..1f015ade4a9b6ba622318b71c3d5968a4997dca3 100644
--- a/ash/common/frame/header_view.cc
+++ b/ash/common/frame/header_view.cc
@@ -92,14 +92,6 @@
 void HeaderView::SetFrameColors(SkColor active_frame_color,
                                 SkColor inactive_frame_color) {
   header_painter_->SetFrameColors(active_frame_color, inactive_frame_color);
-}
-
-SkColor HeaderView::GetActiveFrameColor() const {
-  return header_painter_->GetActiveFrameColor();
-}
-
-SkColor HeaderView::GetInactiveFrameColor() const {
-  return header_painter_->GetInactiveFrameColor();
 }
 
 ///////////////////////////////////////////////////////////////////////////////