import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

gfx/2d/DataSourceSurface.cpp

@@ -0,0 +1,21 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "2D.h"
+#include "DataSourceSurfaceWrapper.h"
+
+namespace mozilla {
+namespace gfx {
+
+already_AddRefed<DataSourceSurface>
+DataSourceSurface::GetDataSurface()
+{
+  RefPtr<DataSourceSurface> surface =
+    (GetType() == SurfaceType::DATA) ? this : new DataSourceSurfaceWrapper(this);
+  return surface.forget();
+}
+
+} // namespace gfx
+} // namespace mozilla