[iOS/GN] Fix and enable "gn check" for "//ios/*" and "//ios_internal/*".

ios/chrome/app/strings/BUILD.gn

 # Copyright 2015 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/chrome_build.gni")
 import("//tools/grit/grit_rule.gni")
 
 group("strings") {
-  deps = [
+  public_deps = [
     ":ios_chromium_strings",
     ":ios_google_chrome_strings",
     ":ios_strings",
   ]
 }
 
 grit("ios_strings") {
   source = "ios_strings.grd"
   output_dir = "$root_gen_dir/ios/chrome"
   use_qualified_include = true
@@ skipping 174 matching lines @@
     "ios_google_chrome_strings_ta.pak",
     "ios_google_chrome_strings_te.pak",
     "ios_google_chrome_strings_th.pak",
     "ios_google_chrome_strings_tr.pak",
     "ios_google_chrome_strings_uk.pak",
     "ios_google_chrome_strings_vi.pak",
     "ios_google_chrome_strings_zh-CN.pak",
     "ios_google_chrome_strings_zh-TW.pak",
   ]
 }