[Notification] Change the progress bar colors

ui/message_center/message_center_style.h

Index: ui/message_center/message_center_style.h
diff --git a/ui/message_center/message_center_style.h b/ui/message_center/message_center_style.h
index 864c2894776b3a542d6af0420894519e67db6296..ab73a8097a53b87bc1418e74bb7828e913183174 100644
--- a/ui/message_center/message_center_style.h
+++ b/ui/message_center/message_center_style.h
@@ -118,8 +118,8 @@ const SkColor kHoveredButtonBackgroundColor = SkColorSetRGB(243, 243, 243);
 const int kProgressBarThickness = 5;
 const int kProgressBarTopPadding = 16;
 const int kProgressBarCornerRadius = 3;
-const SkColor kProgressBarBackgroundColor = SkColorSetRGB(216, 216, 216);
-const SkColor kProgressBarSliceColor = SkColorSetRGB(120, 120, 120);
+const SkColor kProgressBarBackgroundColor = SkColorSetARGB(26, 0, 0, 0);
+const SkColor kProgressBarSliceColor = SkColorSetRGB(26, 194, 34);
 
 // Line limits.
 const int kMaxTitleLines = 2;