Start an empty interface OffScreenCanvas

third_party/WebKit/Source/modules/canvas2d/WebGLRenderingContextBaseOffScreenCanvas.h

+// Copyright 2015 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 WebGLRenderingContextBaseOffScreenCanvas_h
+#define WebGLRenderingContextBaseOffScreenCanvas_h
+
+#include "bindings/modules/v8/UnionTypesModules.h"
+#include "wtf/Allocator.h"
+
+namespace blink {
+
+class WebGLRenderingContextBase;
+
+class WebGLRenderingContextBaseOffScreenCanvas {
+    STATIC_ONLY(WebGLRenderingContextBaseOffScreenCanvas);
+public:
+    static void canvas(WebGLRenderingContextBase&, HTMLCanvasElementOrOffScreenCanvas&);
+    static void commit(WebGLRenderingContextBase&);
+};
+
+} // namespace blink
+
+#endif // CanvasRenderingContext2DOffScreenCanvas_h