Rename is_chromeos in chrome/src.

device/bluetooth/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.
 
+import("//build/config/features.gni")
+
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
 
 config("bluetooth_config") {
   if (is_win) {
     ldflags = [
       "/DELAYLOAD:BluetoothApis.dll",
 
       # Despite MSDN stating that Bthprops.dll contains the
@@ skipping 120 matching lines @@
     "//base",
     "//crypto",
     "//net",
     "//ui/base",
   ]
 
   if (is_android) {
     deps += [ ":jni_headers" ]
   }
 
-  if (is_chromeos) {
+  if (use_cros_fe) {
     deps += [
       "//chromeos",
       "//dbus",
     ]
   }
 
   if (is_mac) {
     libs = [ "IOBluetooth.framework" ]
   }
 
@@ skipping 49 matching lines @@
     jni_package = "bluetooth"
   }
 
   android_library("java") {
     java_files = java_sources_needing_jni
     deps = [
       "//base:base_java",
     ]
   }
 }