diff -r 000000000000 -r 6474c204b198 gfx/layers/d3d9/CanvasLayerD3D9.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/d3d9/CanvasLayerD3D9.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,69 @@
+/* -*- 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_CANVASLAYERD3D9_H
+#define GFX_CANVASLAYERD3D9_H
+
+#include "LayerManagerD3D9.h"
+#include "GLContextTypes.h"
+
+namespace mozilla {
+namespace layers {
+
+
+class CanvasLayerD3D9 :
+  public CanvasLayer,
+  public LayerD3D9
+{
+public:
+  CanvasLayerD3D9(LayerManagerD3D9 *aManager);
+  ~CanvasLayerD3D9();
+
+  // CanvasLayer implementation
+  virtual void Initialize(const Data& aData);
+
+  // LayerD3D9 implementation
+  virtual Layer* GetLayer();
+  virtual void RenderLayer();
+  virtual void CleanResources();
+  virtual void LayerManagerDestroyed();
+
+  void CreateTexture();
+
+protected:
+  typedef mozilla::gl::GLContext GLContext;
+
+  void UpdateSurface();
+
+  nsRefPtr<GLContext> mGLContext;
+  nsRefPtr<IDirect3DTexture9> mTexture;
+  RefPtr<gfx::DrawTarget> mDrawTarget;
+
+  bool mDataIsPremultiplied;
+  bool mNeedsYFlip;
+  bool mHasAlpha;
+
+  nsAutoArrayPtr<uint8_t> mCachedTempBlob;
+  uint32_t mCachedTempBlob_Size;
+
+  uint8_t* GetTempBlob(const uint32_t aSize)
+  {
+      if (!mCachedTempBlob || aSize != mCachedTempBlob_Size) {
+          mCachedTempBlob = new uint8_t[aSize];
+          mCachedTempBlob_Size = aSize;
+      }
+
+      return mCachedTempBlob;
+  }
+
+  void DiscardTempBlob()
+  {
+      mCachedTempBlob = nullptr;
+  }
+};
+
+} /* layers */
+} /* mozilla */
+#endif /* GFX_CANVASLAYERD3D9_H */