Update from https://crrev.com/312398

ui/gl/gl_enums.h

+// 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 UI_GL_GL_ENUMS_H_
+#define UI_GL_GL_ENUMS_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "ui/gl/gl_export.h"
+
+namespace gfx {
+
+class GL_EXPORT GLEnums {
+ public:
+  struct EnumToString {
+    uint32_t value;
+    const char* name;
+  };
+
+  static std::string GetStringEnum(uint32_t value);
+  static std::string GetStringBool(uint32_t value);
+  static std::string GetStringError(uint32_t value);
+
+ private:
+  static const EnumToString* const enum_to_string_table_;
+  static const size_t enum_to_string_table_len_;
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_GL_ENUMS_H_
+