Make deps of GN groups public.

extensions/BUILD.gn

 # Copyright 2014 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.
 
 # TODO(rockot) bug 505926: Don't include chrome files from here.
 # See chrome_browser_tests_extensions_sources below
 import("//chrome/chrome_tests.gni")
 import("//extensions/extensions.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
 assert(enable_extensions)
 
 # GYP version: extensions/extensions_resources.gyp:extensions_resources
 group("extensions_resources") {
-  deps = [
+  public_deps = [
     ":extensions_browser_resources",
     ":extensions_renderer_resources",
     ":extensions_resources_grd",
   ]
 }
 
 # GYP version: extensions/extensions_resources.gyp:extensions_resources
 #              (extensions_resources action)
 grit("extensions_resources_grd") {
   source = "extensions_resources.grd"
@@ skipping 358 matching lines @@
     "//testing/gtest",
     "//third_party/hunspell",
     "//third_party/icu",
     "//third_party/libpng",
     "//third_party/zlib",
     "//ui/base:test_support",
     "//ui/resources:ui_test_pak",
     "//ui/web_dialogs:test_support",
   ]
 }