Change notification center background color to 0xee.

ui/message_center/message_center_style.cc

Index: ui/message_center/message_center_style.cc
diff --git a/ui/message_center/message_center_style.cc b/ui/message_center/message_center_style.cc
index 96ffc99e98728d799a3c811148f5b4d22e51cf47..10346f8bdd08aaf906446f084f27cb0d6cf1b918 100644
--- a/ui/message_center/message_center_style.cc
+++ b/ui/message_center/message_center_style.cc
@@ -74,7 +74,7 @@ const int kMarginBetweenItems = 10;
 const SkColor kBackgroundLightColor = SkColorSetRGB(0xf1, 0xf1, 0xf1);
 const SkColor kBackgroundDarkColor = SkColorSetRGB(0xe7, 0xe7, 0xe7);
 const SkColor kShadowColor = SkColorSetARGB(0.3 * 255, 0, 0, 0);
-const SkColor kMessageCenterBackgroundColor = SkColorSetRGB(0xf1, 0xf1, 0xf1);
+const SkColor kMessageCenterBackgroundColor = SkColorSetRGB(0xee, 0xee, 0xee);
 const SkColor kFooterDelimiterColor = SkColorSetRGB(0xcc, 0xcc, 0xcc);
 const SkColor kFooterTextColor = SkColorSetRGB(0x7b, 0x7b, 0x7b);