Fix GN build on Linux ChromiumOS

chrome/test/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")
 
 # This target exists to reference other test executables to bring these files
 # into the build.
 group("test") {
@@ skipping 299 matching lines @@
               ".",
               "//chrome")
     }
 
     if (is_chromeos) {
       sources +=
           rebase_path(gypi_values.chrome_interactive_ui_test_chromeos_sources,
                       ".",
                       "//chrome")
       sources += [ "../browser/notifications/login_state_notification_blocker_chromeos_browsertest.cc" ]
-      sources -= [
-        # Use only the _chromeos version on ChromeOS.
-        "../test/base/view_event_test_platform_part_ash.cc",
-      ]
-
       deps += [
         "//ash/resources",
         "//chromeos",
       ]
 
       if (enable_nacl) {
         # TODO(GYP) this is also under a disable_nacl_untrusted==0 condition.
         deps += [
           # '../native_client/src/trusted/service_runtime/linux/nacl_bootstrap.gyp:nacl_helper_bootstrap',  TODO(GYP)
           # '../components/nacl.gyp:nacl_helper',  TODO(GYP)
@@ skipping 312 matching lines @@
     # TODO(GYP) CDM adapter stuff.
     #if (enable_pepper_cdms) {
     #  deps += [
     #    "//media/cdm/ppapi:clearkeycdmadapter",
     #    "//ppapi:ppapi_cpp",
     #    "//third_party/widevine/cdm:adapter",
     #  ]
     #}
   }
 }