[Clean Skeleton] Migrate code to clean/

ios/chrome/browser/ui/tab/BUILD.gn

Index: ios/chrome/browser/ui/tab/BUILD.gn
diff --git a/ios/chrome/browser/ui/tab/BUILD.gn b/ios/chrome/browser/ui/tab/BUILD.gn
deleted file mode 100644
index 396fb4460be4522c21b37b5760a383084071295f..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/tab/BUILD.gn
+++ /dev/null
@@ -1,25 +0,0 @@
-# Copyright 2016 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-source_set("tab") {
-  sources = [
-    "tab_container_view_controller.h",
-    "tab_container_view_controller.mm",
-    "tab_coordinator.h",
-    "tab_coordinator.mm",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-
-  deps = [
-    "//base",
-    "//ios/chrome/browser:browser_clean_skeleton",
-    "//ios/chrome/browser/ui:ui_clean_skeleton",
-    "//ios/chrome/browser/ui/animators",
-    "//ios/chrome/browser/ui/presenters",
-    "//ios/chrome/browser/ui/toolbar:toolbar_clean_skeleton",
-    "//ios/chrome/browser/ui/web_contents",
-    "//ios/web",
-  ]
-}