GN: Fix some breakage for os==chromeos build

ui/views/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("//build/config/ui.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("views.gyp") ],
@@ skipping 149 matching lines @@
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
     "//ui/wm",
     "//url",
   ]
 
   if (is_chromeos) {
     sources -= [
       "ime/input_method_bridge_unittest.cc",
-      "widget/desktop_aura",
     ]
   }
 
   if (is_win) {
     deps += [
       "//third_party/iaccessible2",
       "//third_party/wtl",
     ]
     libs = [
       "imm32.lib",
@@ skipping 62 matching lines @@
       "//testing/gtest",
       "//ui/aura",
       "//ui/compositor",
       "//ui/resources",
       "//ui/resources:ui_test_pak",
       "//ui/strings",
       "//ui/wm",
     ]
   }
 }