Bug 1279398 - Remove gfxUnknownSurface. r=eflores

gfx/thebes/gfxASurface.cpp

@@ -173,7 +173,7 @@ gfxASurface::Wrap (cairo_surface_t *csurf, const IntSize& aSize)
     }
 #endif
     else {
-        result = new gfxUnknownSurface(csurf, aSize);
+        MOZ_CRASH("Unknown cairo surface type");
     }
 
     // fprintf(stderr, "New wrapper for %p -> %p\n", csurf, result);

gfx/thebes/gfxASurface.h

@@ -183,22 +183,4 @@ protected:
     bool mSurfaceValid;
 };
 
-/**
- * An Unknown surface; used to wrap unknown cairo_surface_t returns from cairo
- */
-class gfxUnknownSurface : public gfxASurface {
-public:
-    gfxUnknownSurface(cairo_surface_t *surf, const mozilla::gfx::IntSize& aSize)
-        : mSize(aSize)
-    {
-        Init(surf, true);
-    }
-
-    virtual ~gfxUnknownSurface() { }
-    virtual const mozilla::gfx::IntSize GetSize() const override { return mSize; }
-
-private:
-    mozilla::gfx::IntSize mSize;
-};
-
 #endif /* GFX_ASURFACE_H */