Update avatar button to MD (part 1)

chrome/browser/ui/BUILD.gn

Index: chrome/browser/ui/BUILD.gn
diff --git a/chrome/browser/ui/BUILD.gn b/chrome/browser/ui/BUILD.gn
index 6cb06ec1a12715a1a4bf2c5b4728ed105e9169bf..281019049bc990ab8383867165d315bc2e7a0316 100644
--- a/chrome/browser/ui/BUILD.gn
+++ b/chrome/browser/ui/BUILD.gn
@@ -2017,10 +2017,11 @@ split_static_library("ui") {
       "views/external_protocol_dialog.h",
       "views/frame/avatar_button_manager.cc",
       "views/frame/avatar_button_manager.h",
-      "views/profiles/avatar_button_delegate.h",
+      "views/profiles/avatar_button.cc",
+      "views/profiles/avatar_button.h",
       "views/profiles/avatar_button_style.h",
-      "views/profiles/new_avatar_button.cc",
-      "views/profiles/new_avatar_button.h",
+      "views/profiles/themed_avatar_button.cc",
+      "views/profiles/themed_avatar_button.h",
       "webui/app_launcher_page_ui.cc",
       "webui/app_launcher_page_ui.h",
       "webui/settings/settings_default_browser_handler.cc",
@@ -2068,8 +2069,8 @@ split_static_library("ui") {
         # non-Views mode on Mac. It appears not to link in that case.
         "views/frame/avatar_button_manager.cc",
         "views/frame/avatar_button_manager.h",
-        "views/profiles/new_avatar_button.cc",
-        "views/profiles/new_avatar_button.h",
+        "views/profiles/avatar_button.cc",
+        "views/profiles/avatar_button.h",
       ]
       sources += [
         "startup/session_crashed_infobar_delegate.cc",
@@ -3076,6 +3077,8 @@ split_static_library("ui") {
       "views/frame/windows_10_caption_button.cc",
       "views/frame/windows_10_caption_button.h",
       "views/network_profile_bubble_view.cc",
+      "views/profiles/win10_native_avatar_button.cc",
+      "views/profiles/win10_native_avatar_button.h",
       "views/settings_reset_prompt_dialog.cc",
       "views/settings_reset_prompt_dialog.h",
       "views/srt_prompt_dialog.cc",