[profile-menu] Add drop shadow to identity badge

Before:
https://drive.google.com/file/d/1EbPAENC4XYTzm-ER7Y-GaThlxCCkh9Tl/view?usp=sharing

After:
https://drive.google.com/file/d/1zfQo_NHCzf0qwD314-wpsZsS1JT1mML8/view?usp=sharing

Bug: 1017302
Change-Id: I896bcf771d6f780c89e7c70618ce5db6c7f2ba5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1876768
Auto-Submit: Thomas Tangl <tangltom@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708913}

chrome/browser/ui/views/profiles/profile_menu_view_base.cc

@@ -304,8 +304,13 @@ void ProfileMenuViewBase::SetIdentityInfo(const gfx::ImageSkia& image,
   gfx::ImageSkia sized_badge =
       AddCircularBackground(SizeImage(badge, kBadgeSize), kBadgeBackgroundColor,
                             kBadgeSize + 2 * kBadgePadding);
-  gfx::ImageSkia badged_image =
-      gfx::ImageSkiaOperations::CreateIconWithBadge(sized_image, sized_badge);
+  gfx::ImageSkia sized_badge_with_shadow =
+      gfx::ImageSkiaOperations::CreateImageWithDropShadow(
+          sized_badge,
+          gfx::ShadowValue::MakeMdShadowValues(/*elevation=*/1, SK_ColorBLACK));
+
+  gfx::ImageSkia badged_image = gfx::ImageSkiaOperations::CreateIconWithBadge(
+      sized_image, sized_badge_with_shadow);
   image_view->SetImage(badged_image);
   image_view->SetBorder(views::CreateEmptyBorder(0, 0, kImageBottomMargin, 0));