diff -r 000000000000 -r 6474c204b198 gfx/layers/MacIOSurfaceImage.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/MacIOSurfaceImage.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* -*- 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/. */
+
+#ifndef GFX_MACIOSURFACEIMAGE_H
+#define GFX_MACIOSURFACEIMAGE_H
+
+#include "ImageContainer.h"
+#include "mozilla/gfx/MacIOSurface.h"
+#include "mozilla/gfx/Point.h"
+#include "mozilla/layers/TextureClient.h"
+
+namespace mozilla {
+
+namespace layers {
+
+class MacIOSurfaceImage : public Image,
+                          public ISharedImage {
+public:
+  void SetSurface(MacIOSurface* aSurface) { mSurface = aSurface; }
+  MacIOSurface* GetSurface() { return mSurface; }
+
+  gfx::IntSize GetSize() {
+    return gfx::IntSize(mSurface->GetDevicePixelWidth(), mSurface->GetDevicePixelHeight());
+  }
+
+  virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }
+
+  virtual TemporaryRef<gfx::SourceSurface> GetAsSourceSurface();
+
+  virtual TextureClient* GetTextureClient(CompositableClient* aClient) MOZ_OVERRIDE;
+  virtual uint8_t* GetBuffer() MOZ_OVERRIDE { return nullptr; }
+
+  MacIOSurfaceImage() : Image(nullptr, ImageFormat::MAC_IOSURFACE) {}
+
+private:
+  RefPtr<MacIOSurface> mSurface;
+  RefPtr<TextureClient> mTextureClient;
+};
+
+} // layers
+} // mozilla
+
+#endif // GFX_SHAREDTEXTUREIMAGE_H