Index: ui/gl/vsync_provider_win.h |
diff --git a/ui/gl/vsync_provider_win.h b/ui/gl/vsync_provider_win.h |
index 8435fba662c1744b42c0814d4a0828dfdfe5456a..2a042a08b5fa29f5a70385c8fce7e8bae39a1488 100644 |
--- a/ui/gl/vsync_provider_win.h |
+++ b/ui/gl/vsync_provider_win.h |
@@ -2,6 +2,9 @@ |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+#ifndef UI_GL_VSYNC_PROVIDER_WIN_H_ |
+#define UI_GL_VSYNC_PROVIDER_WIN_H_ |
+ |
#include "ui/gfx/native_widget_types.h" |
#include "ui/gfx/vsync_provider.h" |
#include "ui/gl/gl_export.h" |
@@ -25,3 +28,5 @@ class GL_EXPORT VSyncProviderWin : public gfx::VSyncProvider { |
}; |
} // namespace gl |
+ |
+#endif // UI_GL_VSYNC_PROVIDER_WIN_H_ |