Update from https://crrev.com/309415

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..ee697500e05898e3bb414f1af5a262a452a60a3c
--- /dev/null
+++ b/gpu/blink/gpu_blink_export.h
@@ -0,0 +1,29 @@
+// 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
+#endif
+
+#else // defined(COMPONENT_BUILD)
+#define GPU_BLINK_EXPORT
+#endif
+
+#endif  // GPU_BLINK_GPU_BLINK_EXPORT_H_