--- a/gfx/layers/ImageContainer.h
+++ b/gfx/layers/ImageContainer.h
@@ -955,18 +955,16 @@ public:
     nsRefPtr<gfxASurface> surface = mDeprecatedSurface.get();
     return surface.forget();
   }
 
   gfx::IntSize GetSize() { return mSize; }
 
   CairoImage() : Image(nullptr, CAIRO_SURFACE) {}
 
-private:
-
   nsCountedRef<nsMainThreadSurfaceRef> mDeprecatedSurface;
   gfx::IntSize mSize;
 
   // mSourceSurface wraps mDeprrecatedSurface's data, therefore it should not
   // outlive mDeprecatedSurface
   nsCountedRef<nsMainThreadSourceSurfaceRef> mSourceSurface;
 };
 

--- a/gfx/layers/d3d10/ImageLayerD3D10.cpp
+++ b/gfx/layers/d3d10/ImageLayerD3D10.cpp
@@ -208,24 +208,24 @@ ImageLayerD3D10::RenderLayer()
   }
 
   IntSize size = image->GetSize();
 
   SetEffectTransformAndOpacity();
 
   ID3D10EffectTechnique *technique;
   nsRefPtr<IDXGIKeyedMutex> keyedMutex;
-  nsRefPtr<gfxASurface> surf = image->DeprecatedGetAsSurface();
 
   if (image->GetFormat() == ImageFormat::CAIRO_SURFACE ||
       image->GetFormat() == ImageFormat::REMOTE_IMAGE_BITMAP ||
       image->GetFormat() == ImageFormat::REMOTE_IMAGE_DXGI_TEXTURE ||
       image->GetFormat() == ImageFormat::D3D9_RGB32_TEXTURE) {
     NS_ASSERTION(image->GetFormat() != ImageFormat::CAIRO_SURFACE ||
-                 !surf || surf->GetContentType() != gfxContentType::ALPHA,
+                 !static_cast<CairoImage*>(image)->mDeprecatedSurface ||
+                 static_cast<CairoImage*>(image)->mDeprecatedSurface->GetContentType() != gfxContentType::ALPHA,
                  "Image layer has alpha image");
     bool hasAlpha = false;
 
     nsRefPtr<ID3D10ShaderResourceView> srView = GetImageSRView(image, hasAlpha, getter_AddRefs(keyedMutex));
     if (!srView) {
       return;
     }
 

--- a/gfx/layers/d3d9/ImageLayerD3D9.cpp
+++ b/gfx/layers/d3d9/ImageLayerD3D9.cpp
@@ -409,19 +409,19 @@ ImageLayerD3D9::RenderLayer()
   SetShaderTransformAndOpacity();
 
   gfx::IntSize size = image->GetSize();
 
   if (image->GetFormat() == CAIRO_SURFACE ||
       image->GetFormat() == REMOTE_IMAGE_BITMAP ||
       image->GetFormat() == D3D9_RGB32_TEXTURE)
   {
-    nsRefPtr<gfxASurface> surf = image->DeprecatedGetAsSurface();
     NS_ASSERTION(image->GetFormat() != CAIRO_SURFACE ||
-                 !surf || surf->GetContentType() != gfxContentType::ALPHA,
+                 !static_cast<CairoImage*>(image)->mDeprecatedSurface ||
+                 static_cast<CairoImage*>(image)->mDeprecatedSurface->GetContentType() != gfxContentType::ALPHA,
                  "Image layer has alpha image");
 
     bool hasAlpha = false;
     nsRefPtr<IDirect3DTexture9> texture = GetTexture(image, hasAlpha);
 
     device()->SetVertexShaderConstantF(CBvLayerQuad,
                                        ShaderConstantRect(0,
                                                           0,