Fix Widows GN build of components/metrics.

components/metrics/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.
 
 # GYP version: components/metrics.gypi:metrics
 source_set("metrics") {
   sources = [
     "clean_exit_beacon.cc",
     "clean_exit_beacon.h",
     "client_info.cc",
@@ skipping 46 matching lines @@
     "//base",
     "//base:i18n",
     "//base:prefs",
     "//components/variations",
     "//third_party/zlib",
   ]
 
   if (is_chromeos) {
     deps += [ ":serialization" ]
   }
+
+  if (is_win) {
+    sources -= [ "machine_id_provider_stub.cc" ]

[Slava Chigrin, 2015/01/23 21:05:41]

Same as in GYP

https://code.google.com/p/chromium/codesearch#chromium/src/components/metrics...

+  }
 }
 
 # GYP version: components/metrics.gypi:metrics_gpu
 source_set("gpu") {
   sources = [
     "gpu/gpu_metrics_provider.cc",
     "gpu/gpu_metrics_provider.h",
   ]
 
   public_deps = [
@@ skipping 104 matching lines @@
     ":profiler",
     ":test_support",
     "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/variations",
     "//content/public/common",
     "//testing/gtest",
   ]
 }
 # TODO(GYP): metrics_chromeos