[GCM] Initial work to set up directory structure and introduce socket integration

google_apis/gcm/gcm_core.gypi

Index: google_apis/gcm/gcm_core.gypi
diff --git a/google_apis/gcm/gcm_core.gypi b/google_apis/gcm/gcm_core.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..e5537ec922cdc671f282751212b226e4fa5371c1
--- /dev/null
+++ b/google_apis/gcm/gcm_core.gypi
@@ -0,0 +1,22 @@
+# 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.
+
+{
+  'include_dirs': [
+    '../..',
+  ],
+  'defines': [
+    'GCM_IMPLEMENTATION',
+  ],
+  'dependencies': [
+    '../../base/base.gyp:base',
+    '../../net/net.gyp:net',
+    '../../url/url.gyp:url_lib',
+    '../../third_party/protobuf/protobuf.gyp:protobuf_lite'
+  ],
+  'sources': [
+    'base/socket_stream.h',
+    'base/socket_stream.cc',
+  ],
+}