nfc: Add native NFC API definitions.

device/nfc/nfc.gyp

Index: device/nfc/nfc.gyp
diff --git a/device/nfc/nfc.gyp b/device/nfc/nfc.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..70e6836638e4539f22fdebe6e83bd133b0821302
--- /dev/null
+++ b/device/nfc/nfc.gyp
@@ -0,0 +1,39 @@
+# Copyright 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.
+
+{
+  'variables': {
+    'chromium_code': 1,
+  },
+  'targets': [
+    {
+      'target_name': 'device_nfc',
+      'type': 'static_library',
+      'dependencies': [
+        '../../base/base.gyp:base',
+      ],
+      'sources': [
+        'nfc_adapter.cc',
+        'nfc_adapter.h',
+        'nfc_ndef_record.cc',
+        'nfc_ndef_record.h',
+        'nfc_peer.cc',
+        'nfc_peer.h',
+        'nfc_tag.cc',
+        'nfc_tag.h',
+        'nfc_tag_technology.cc',
+        'nfc_tag_technology.h'
+      ],
+      'conditions': [
+        ['chromeos==1', {
+          'dependencies': [
+            '../../build/linux/system.gyp:dbus',
+            '../../chromeos/chromeos.gyp:chromeos',
+            '../../dbus/dbus.gyp:dbus',
+          ]
+        }],
+      ],
+    },
+  ],
+}