Update last few users of deprecated CreateShadowDrawLooper and remove

chrome/browser/ui/views/message_center/message_center_frame_view.cc

Index: chrome/browser/ui/views/message_center/message_center_frame_view.cc
diff --git a/chrome/browser/ui/views/message_center/message_center_frame_view.cc b/chrome/browser/ui/views/message_center/message_center_frame_view.cc
index 7cd4c701f16f8207eed7b587164a3f494f910cac..9f4090d68e5aaf355b29dc9b1a603142015e2917 100644
--- a/chrome/browser/ui/views/message_center/message_center_frame_view.cc
+++ b/chrome/browser/ui/views/message_center/message_center_frame_view.cc
@@ -20,7 +20,7 @@ MessageCenterFrameView::MessageCenterFrameView() {
   SetBorder(views::CreateSolidBorder(
       kBorderWidth, message_center::kMessageCenterBorderColor));
 #else
-  const int kShadowBlur = 8;
+  const int kShadowBlur = 16;
   SetBorder(std::unique_ptr<views::Border>(new views::ShadowBorder(
       gfx::ShadowValue(gfx::Vector2d(0, 0), kShadowBlur,
                        message_center::kMessageCenterShadowColor))));