Inject GPUDataManager support into ash to abstract a content dependency.

ash/ash_with_content_export.h

Index: ash/ash_with_content_export.h
diff --git a/ash/ash_with_content_export.h b/ash/ash_with_content_export.h
deleted file mode 100644
index b282e4ebc5d8b86334577aa34d65a52f0f367f4e..0000000000000000000000000000000000000000
--- a/ash/ash_with_content_export.h
+++ /dev/null
@@ -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 ASH_ASH_WITH_CONTENT_EXPORT_H_
-#define ASH_ASH_WITH_CONTENT_EXPORT_H_
-
-// Defines ASH_EXPORT so that functionality implemented by the Ash module can
-// be exported to consumers.
-
-#if defined(COMPONENT_BUILD)
-#if defined(WIN32)
-
-#if defined(ASH_WITH_CONTENT_IMPLEMENTATION)
-#define ASH_WITH_CONTENT_EXPORT __declspec(dllexport)
-#else
-#define ASH_WITH_CONTENT_EXPORT __declspec(dllimport)
-#endif  // defined(ASH_WITH_CONTENT_IMPLEMENTATION)
-
-#else  // defined(WIN32)
-#if defined(ASH_WITH_CONTENT_IMPLEMENTATION)
-#define ASH_WITH_CONTENT_EXPORT __attribute__((visibility("default")))
-#else
-#define ASH_WITH_CONTENT_EXPORT
-#endif
-#endif
-
-#else  // defined(COMPONENT_BUILD)
-#define ASH_WITH_CONTENT_EXPORT
-#endif
-
-#endif  // ASH_ASH_WITH_CONTENT_EXPORT_H_