Rename is_chromeos in chrome/src.

remoting/base/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")
 import("//remoting/remoting_srcs.gni")
 
 source_set("base") {
   sources = rebase_path(remoting_srcs_gypi_values.remoting_base_sources,
                         ".",
                         "//remoting")
 
   configs += [ "//build/config/compiler:wexit_time_destructors" ]
 
   public_deps = [
@@ skipping 59 matching lines @@
     ":base",
     ":breakpad",
     "//base",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/libyuv",
     "//third_party/webrtc/modules/desktop_capture",
   ]
 
-  if (is_win || is_mac || is_chromeos) {
+  if (is_win || is_mac || use_cros_fe) {
     deps += [ "//breakpad:client" ]
   }
 
   if (is_win) {
     libs = [ "rpcrt4.lib" ]  # For UuidCreate in breakpad_win_unittest.cc.
   }
 }