Revert 282159 "athena: Move athena_export.h into common/ directory."

trunk/src/athena/common/athena_export.h

Index: trunk/src/athena/common/athena_export.h
===================================================================
--- trunk/src/athena/common/athena_export.h	(revision 282392)
+++ trunk/src/athena/common/athena_export.h	(working copy)
@@ -1,32 +0,0 @@
-// 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.
-
-#ifndef ATHENA_COMMON_ATHENA_EXPORT_H_
-#define ATHENA_COMMON_ATHENA_EXPORT_H_
-
-// Defines ATHENA_EXPORT so that functionality implemented by the ATHENA module
-// can be exported to consumers.
-
-#if defined(COMPONENT_BUILD)
-#if defined(WIN32)
-
-#if defined(ATHENA_IMPLEMENTATION)
-#define ATHENA_EXPORT __declspec(dllexport)
-#else
-#define ATHENA_EXPORT __declspec(dllimport)
-#endif  // defined(ATHENA_IMPLEMENTATION)
-
-#else  // defined(WIN32)
-#if defined(ATHENA_IMPLEMENTATION)
-#define ATHENA_EXPORT __attribute__((visibility("default")))
-#else
-#define ATHENA_EXPORT
-#endif
-#endif
-
-#else  // defined(COMPONENT_BUILD)
-#define ATHENA_EXPORT
-#endif
-
-#endif  // ATHENA_COMMON_ATHENA_EXPORT_H_