Relocating files in the nacl repo that belong in chrome.

ppapi/native_client/src/untrusted/irt_stub/irt_stub.gyp

+# Copyright (c) 2011 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.
+
+{
+  'includes': [
+    '../../../../../build/common_untrusted.gypi',
+  ],
+  'targets' : [
+    {
+      'target_name': 'ppapi_stub_lib',
+      'type': 'none',
+      'variables': {
+        'nlib_target': 'libppapi_stub.a',
+        'build_glibc': 1,
+        'build_newlib': 1,
+      },
+      'sources': [
+        'ppapi_plugin_main.c',
+        'ppapi_plugin_start.c',
+        'plugin_main_irt.c',
+        'thread_creator.c'
+      ],
+      'dependencies': [
+        '<(DEPTH)/native_client/tools.gyp:prep_toolchain',
+      ],
+    },
+  ],
+}