Stop setting use_qualified_include to true now that that is the default.

chromecast/browser/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/ui.gni")
 import("//chromecast/chromecast.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
@@ skipping 186 matching lines @@
     overlays = [ "//chromecast/internal/shell/browser:cast_content_browser_internal_manifest_overlay" ]
   }
 }
 
 grit("resources") {
   visibility = [
     ":browser",
     "//chromecast:cast_shell_pak",
   ]
   source = "cast_browser_resources.grd"
-  use_qualified_include = true
   output_dir = "$root_gen_dir/chromecast/browser"
   outputs = [
     "grit/cast_browser_resources.h",
     "cast_browser_resources.pak",
   ]
 
   deps = [
     ":cast_content_browser_manifest_overlay",
   ]
 }
@@ skipping 62 matching lines @@
       "android/apk/src/org/chromium/chromecast/shell/CastContentWindowAndroid.java",
       "android/apk/src/org/chromium/chromecast/shell/CastCrashHandler.java",
       "android/apk/src/org/chromium/chromecast/shell/CastMetricsHelper.java",
       "android/apk/src/org/chromium/chromecast/shell/CastSysInfoAndroid.java",
       "android/apk/src/org/chromium/chromecast/shell/CastWebContentsActivity.java",
     ]
 
     jni_package = "chromecast"
   }
 }