Create Desktop to iOS Promotion skeleton.

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 e09d63307bd8f0a0e95cc029566f8ccf6010de00..ea46e0b2706bb5a492dc4c6f67d79a734f67c173 100644
--- a/chrome/browser/ui/BUILD.gn
+++ b/chrome/browser/ui/BUILD.gn
@@ -711,6 +711,10 @@ split_static_library("ui") {
       "content_settings/content_setting_bubble_model_delegate.h",
       "content_settings/content_setting_image_model.cc",
       "content_settings/content_setting_image_model.h",
+      "desktop_ios_promotion/desktop_ios_promotion_model.cc",
+      "desktop_ios_promotion/desktop_ios_promotion_model.h",
+      "desktop_ios_promotion/desktop_ios_promotion_util.cc",
+      "desktop_ios_promotion/desktop_ios_promotion_util.h",
       "exclusive_access/exclusive_access_bubble.cc",
       "exclusive_access/exclusive_access_bubble.h",
       "exclusive_access/exclusive_access_bubble_type.cc",
@@ -1646,6 +1650,8 @@ split_static_library("ui") {
         "views/constrained_web_dialog_delegate_views.cc",
         "views/create_application_shortcut_view.cc",
         "views/create_application_shortcut_view.h",
+        "views/desktop_ios_promotion/desktop_ios_promotion_view.cc",
+        "views/desktop_ios_promotion/desktop_ios_promotion_view.h",
         "views/download/download_danger_prompt_views.cc",
         "views/download/download_feedback_dialog_view.cc",
         "views/download/download_feedback_dialog_view.h",