Revert "Revert of Extract WebGraphicsContext3DImpl from webkit/common/gpu. (patchset #12 id:220001 …

gpu/blink/gpu_blink_export.h

Index: gpu/blink/gpu_blink_export.h
diff --git a/gpu/blink/gpu_blink_export.h b/gpu/blink/gpu_blink_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..37878a39dab214fadfd0b1a61466f20ce998bde9
--- /dev/null
+++ b/gpu/blink/gpu_blink_export.h
@@ -0,0 +1,34 @@
+// 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 GPU_BLINK_GPU_BLINK_EXPORT_H_
+#define GPU_BLINK_GPU_BLINK_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+
+#if defined(WIN32)
+
+#if defined(GPU_BLINK_IMPLEMENTATION)
+#define GPU_BLINK_EXPORT __declspec(dllexport)
+#else
+#define GPU_BLINK_EXPORT __declspec(dllimport)
+#endif  // defined(GPU_BLINK_IMPLEMENTATION)
+
+#else  // !defined(WIN32)
+
+#if defined(GPU_BLINK_IMPLEMENTATION)
+#define GPU_BLINK_EXPORT __attribute__((visibility("default")))
+#else
+#define GPU_BLINK_EXPORT
+#endif  // defined(GPU_BLINK_IMPLEMENTATION)
+
+#endif  // defined(WIN32)
+
+#else  // !defined(COMPONENT_BUILD)
+
+#define GPU_BLINK_EXPORT
+
+#endif  // defined(COMPONENT_BUILD)
+
+#endif  // GPU_BLINK_GPU_BLINK_EXPORT_H_