Fix deps in all BUILD.gn files in ios.

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

 # 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.
 
 import("//build/config/ios/rules.gni")
 
 bundle_data("assets") {
   sources = [
     "resources/download_manager_assets.xcassets/Contents.json",
     "resources/download_manager_assets.xcassets/error_icon.imageset/Contents.json",
@@ skipping 21 matching lines @@
 bundle_data_ib_file("download_manager_controller_xib") {
   source = "resources/DownloadManagerController.xib"
 }
 
 source_set("downloads") {
   sources = [
     "download_manager_controller.h",
     "download_manager_controller.mm",
   ]
   deps = [
+    ":assets",
+    ":download_manager_controller_xib",
     "//base",
     "//components/strings",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser",
     "//ios/chrome/browser/native_app_launcher",
     "//ios/chrome/browser/native_app_launcher:native_app_launcher_internal",
     "//ios/chrome/browser/ui",
     "//ios/chrome/browser/ui/alert_coordinator",
     "//ios/chrome/browser/ui/colors",
-    "//ios/chrome/browser/ui/downloads:assets",
-    "//ios/chrome/browser/ui/downloads:download_manager_controller_xib",
     "//ios/chrome/browser/web:web_internal",
     "//ios/public/provider/chrome/browser",
     "//ios/public/provider/chrome/browser/native_app_launcher",
     "//ios/third_party/material_components_ios",
     "//ios/third_party/material_roboto_font_loader_ios",
     "//ios/web",
     "//ios/web:core",
     "//net",
     "//ui/base",
     "//ui/gfx",
   ]
   libs = [ "UIKit.framework" ]
 }
 
 source_set("unit_tests") {
   testonly = true
   sources = [
     "download_manager_controller_unittest.mm",
   ]
   deps = [
     ":downloads",
     "//base",
     "//ios/chrome/browser",
     "//ios/web:test_support",
     "//net:test_support",
     "//testing/gtest",
   ]
 }