Rename is_chromeos in chrome/src.

skia/BUILD.gn

 # Copyright (c) 2013 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("//build/config/ui.gni")
 import("//testing/test.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
@@ skipping 627 matching lines @@
     "//testing/gtest",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
   if (!is_ios) {
     deps += [ "//cc:test_support" ]  # TODO: Fix this test to not depend on cc.
   }
 }
 
-if (is_linux && !is_chromeos) {
+if (is_linux && !use_cros_fe) {
   # TODO(GYP): Figure out which of these work and are needed on other platforms.
   executable("image_operations_bench") {
     sources = [
       "ext/image_operations_bench.cc",
     ]
 
     deps = [
       ":skia",
       "//base",
     ]
   }
 
   executable("filter_fuzz_stub") {
     testonly = true
     sources = [
       "tools/filter_fuzz_stub/filter_fuzz_stub.cc",
     ]
 
     deps = [
       ":skia",
       "//base",
       "//base/test:test_support",
     ]
   }
 }