Bug 683891: Stop exporting THEBES_API symbols from libxul. r=glandium

gfx/thebes/gfxASurface.h

@@ -57,9 +57,24 @@ struct nsIntRect;
  */
 class THEBES_API gfxASurface {
 public:
+#ifdef MOZILLA_INTERNAL_API
     nsrefcnt AddRef(void);
     nsrefcnt Release(void);
 
+    // These functions exist so that browsercomps can refcount a gfxASurface
+    virtual nsresult AddRefExternal(void)
+    {
+      return AddRef();
+    }
+    virtual nsresult ReleaseExternal(void)
+    {
+      return Release();
+    }
+#else
+    virtual nsresult AddRef(void);
+    virtual nsresult Release(void);
+#endif
+
 public:
     /**
      * The format for an image surface. For all formats with alpha data, 0

gfx/thebes/gfxTypes.h

@@ -47,11 +47,7 @@
  */
 typedef double gfxFloat;
 
-#if defined(IMPL_THEBES)
-# define THEBES_API NS_EXPORT
-#else
-# define THEBES_API NS_IMPORT
-#endif
+# define THEBES_API
 
 /**
  * gfx errors