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

google_apis/gcm/base/gcm_export.h

Index: google_apis/gcm/base/gcm_export.h
diff --git a/google_apis/gcm/base/gcm_export.h b/google_apis/gcm/base/gcm_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..371fd99e080f51258774eb8f5b85c6c0c9f301cb
--- /dev/null
+++ b/google_apis/gcm/base/gcm_export.h
@@ -0,0 +1,40 @@
+// Copyright (c) 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.
+
+#ifndef GOOGLE_APIS_GCM_GCM_EXPORT_H_
+#define GOOGLE_APIS_GCM_GCM_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(GCM_IMPLEMENTATION)
+#define GCM_EXPORT __declspec(dllexport)
+#define GCM_EXPORT_PRIVATE __declspec(dllexport)
+#elif defined(GCM_TEST)
+#define GCM_EXPORT __declspec(dllimport)
+#define GCM_EXPORT_PRIVATE __declspec(dllimport)

[Ryan Sleevi, 2013/09/03 23:04:08]

You shouldn't need a _PRIVATE export for new components

See this thread at
https://groups.google.com/a/chromium.org/d/msg/chromium-dev/XMDgIB2nn-0/j6WUq...

[Nicolas Zea, 2013/09/07 01:07:52]

Done.

+#else
+#define GCM_EXPORT __declspec(dllimport)
+#define GCM_EXPORT_PRIVATE
+#endif  // defined(GCM_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+#if defined(GCM_IMPLEMENTATION)
+#define GCM_EXPORT __attribute__((visibility("default")))
+#define GCM_EXPORT_PRIVATE __attribute__((visibility("default")))
+#elif defined(GCM_TEST)
+#define GCM_EXPORT
+#define GCM_EXPORT_PRIVATE __attribute__((visibility("default")))
+#else
+#define GCM_EXPORT
+#define GCM_EXPORT_PRIVATE
+#endif  // defined(GCM_IMPLEMENTATION)
+#endif
+
+#else  // defined(COMPONENT_BUILD)
+#define GCM_EXPORT
+#define GCM_EXPORT_PRIVATE
+#endif
+
+#endif  // GOOGLE_APIS_GCM_GCM_EXPORT_H_