gn: Make grit() default to requiring qualified #includes.

chromecast/app/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("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
 source_set("app") {
   sources = [
     "cast_main_delegate.cc",
@@ skipping 88 matching lines @@
   outputs = [
     "grit/shell_resources.h",
     "shell_resources.pak",
   ]
 }
 
 grit("chromecast_settings") {
   source = "//chromecast/app/resources/chromecast_settings.grd"
   resource_ids = "//chromecast/app/resources/resource_ids"
 
-  # TODO(thakis): Consider removing this in favor of the default directory.
+  # TODO(thakis): Consider removing output_dir in favor of the default
+  # directory, then it becomes possible to qualify includes of
+  # grit/chromecast_settings.h and DEPS files work better too.
+  # https://crbug.com/697090
   output_dir = "$root_gen_dir/chromecast_strings"
+  use_qualified_include = false
 
   outputs = [
     "grit/chromecast_settings.h",
     "chromecast_settings_am.pak",
     "chromecast_settings_ar.pak",
     "chromecast_settings_bg.pak",
     "chromecast_settings_bn.pak",
     "chromecast_settings_ca.pak",
     "chromecast_settings_cs.pak",
     "chromecast_settings_da.pak",
@@ skipping 39 matching lines @@
     "chromecast_settings_ta.pak",
     "chromecast_settings_te.pak",
     "chromecast_settings_th.pak",
     "chromecast_settings_tr.pak",
     "chromecast_settings_uk.pak",
     "chromecast_settings_vi.pak",
     "chromecast_settings_zh-CN.pak",
     "chromecast_settings_zh-TW.pak",
   ]
 }