Don't bother with method restoration, just use raw GLOpt (#115)

Author: Kein

RuntimeUnityEditor.Core/Utils/Abstractions/GUILayoutShim.cs

@@ -7,25 +7,42 @@ public static class GUILayoutShim
         public static GUILayoutOption MaxWidth(float width)
         {
 #if IL2CPP
-            var entity = GUILayout.ExpandHeight(true);
-            entity.type = GUILayoutOption.Type.maxWidth;
-            entity.value = width;
+            var entity = new UnityEngine.GUILayoutOption(GUILayoutOption.Type.maxWidth, width);
             return entity;
 #else
             return GUILayout.MaxWidth(width);
 #endif
         }
 
+         public static GUILayoutOption ExpandWidth(bool expand)
+        {
+#if IL2CPP
+            var entity = new UnityEngine.GUILayoutOption(GUILayoutOption.Type.stretchWidth, expand);
+            return entity;
+#else
+            return GUILayout.ExpandWidth(expand);
+#endif
+        }
+
+        public static GUILayoutOption ExpandHeight(bool expand)
+        {
+#if IL2CPP
+            var entity = new UnityEngine.GUILayoutOption(GUILayoutOption.Type.stretchHeight, expand);
+            return entity;
+#else
+            return GUILayout.ExpandHeight(expand);
+#endif
+        }
+
+
         public static GUILayoutOption MinWidth(float width)
         {
 #if IL2CPP
-            var entity = GUILayout.ExpandHeight(true);
-            entity.type = GUILayoutOption.Type.minWidth;
-            entity.value = width;
+            var entity = new UnityEngine.GUILayoutOption(GUILayoutOption.Type.minWidth, width);
             return entity;
 #else
             return GUILayout.MinWidth(width);
 #endif
         }
     }
-}
+}