Revert of Upstream Chrome on iOS source code [11/11].

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

Index: ios/chrome/browser/ui/main/BUILD.gn
diff --git a/ios/chrome/browser/ui/main/BUILD.gn b/ios/chrome/browser/ui/main/BUILD.gn
deleted file mode 100644
index e7ea0ca9cca7c119b56dc88d6a29c7307ce34eae..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/main/BUILD.gn
+++ /dev/null
@@ -1,53 +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("main") {
-  sources = [
-    "browser_view_information.h",
-    "browser_view_wrangler.h",
-    "browser_view_wrangler.mm",
-    "main_coordinator.h",
-    "main_coordinator.mm",
-    "main_view_controller.h",
-    "main_view_controller.mm",
-  ]
-  deps = [
-    "//base",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser/browser_state",
-    "//ios/chrome/browser/browsing_data",
-    "//ios/chrome/browser/browsing_data:browsing_data_internal",
-    "//ios/chrome/browser/crash_report:crash_report_internal",
-    "//ios/chrome/browser/device_sharing",
-    "//ios/chrome/browser/physical_web",
-    "//ios/chrome/browser/sessions:sessions_internal",
-    "//ios/chrome/browser/tabs",
-    "//ios/chrome/browser/tabs:tabs_internal",
-    "//ios/public/provider/chrome/browser",
-  ]
-  public_deps = [
-    "//ios/chrome/browser/ui:ui_internal",
-  ]
-  libs = [ "UIKit.framework" ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "browser_view_wrangler_unittest.mm",
-    "main_coordinator_unittest.mm",
-    "main_view_controller_unittest.mm",
-  ]
-  deps = [
-    ":main",
-    "//base",
-    "//components/bookmarks/test",
-    "//ios/chrome/browser/bookmarks",
-    "//ios/chrome/browser/browser_state:test_support",
-    "//ios/chrome/browser/tabs",
-    "//ios/chrome/browser/ui:ui_internal",
-    "//ios/web:test_support",
-    "//testing/gtest",
-  ]
-}