remove obtain menu methods.

native/Avalonia.Native/inc/avalonia-native.h

@@ -189,7 +189,6 @@ public:
     virtual HRESULT CreateClipboard(IAvnClipboard** ppv) = 0;
     virtual HRESULT CreateCursorFactory(IAvnCursorFactory** ppv) = 0;
     virtual HRESULT ObtainGlDisplay(IAvnGlDisplay** ppv) = 0;
-    virtual HRESULT ObtainAppMenu(IAvnMenu** retOut) = 0;
     virtual HRESULT SetAppMenu(IAvnMenu* menu) = 0;
     virtual HRESULT CreateMenu (IAvnMenuEvents* cb, IAvnMenu** ppv) = 0;
     virtual HRESULT CreateMenuItem (IAvnMenuItem** ppv) = 0;
@@ -224,7 +223,6 @@ AVNCOM(IAvnWindowBase, 02) : IUnknown
     virtual HRESULT SetCursor(IAvnCursor* cursor) = 0;
     virtual HRESULT CreateGlRenderTarget(IAvnGlSurfaceRenderTarget** ret) = 0;
     virtual HRESULT SetMainMenu(IAvnMenu* menu) = 0;
-    virtual HRESULT ObtainMainMenu(IAvnMenu** retOut) = 0;
     virtual HRESULT ObtainNSWindowHandle(void** retOut) = 0;
     virtual HRESULT ObtainNSWindowHandleRetained(void** retOut) = 0;
     virtual HRESULT ObtainNSViewHandle(void** retOut) = 0;

native/Avalonia.Native/src/OSX/main.mm

@@ -250,18 +250,6 @@ public:
         ::SetAppMenu(s_appTitle, appMenu);
         return S_OK;
     }
-    
-    virtual HRESULT ObtainAppMenu(IAvnMenu** retOut) override
-    {
-        if(retOut == nullptr)
-        {
-            return E_POINTER;
-        }
-        
-        *retOut = ::GetAppMenu();
-        
-        return S_OK;
-    }
 };
 
 extern "C" IAvaloniaNativeFactory* CreateAvaloniaNative()

native/Avalonia.Native/src/OSX/window.mm

@@ -247,18 +247,6 @@ public:
         return S_OK;
     }
     
-    virtual HRESULT ObtainMainMenu(IAvnMenu** ret) override
-    {
-        if(ret == nullptr)
-        {
-            return E_POINTER;
-        }
-        
-        *ret = _mainMenu;
-        
-        return S_OK;
-    }
-    
     virtual HRESULT BeginMoveDrag () override
     {
         @autoreleasepool

src/Avalonia.Native/AvaloniaNativeMenuExporter.cs

@@ -131,16 +131,11 @@ namespace Avalonia.Native
 
             if (_nativeMenu is null)
             {
-                _nativeMenu = _factory.ObtainAppMenu();
+                _nativeMenu = IAvnMenu.Create(_factory);
 
-                if (_nativeMenu is null)
-                {
-                    _nativeMenu = IAvnMenu.Create(_factory);
-
-                    _nativeMenu.Initialise(this, appMenuHolder, "");
+                _nativeMenu.Initialise(this, appMenuHolder, "");
 
-                    setMenu = true;
-                }
+                setMenu = true;
             }
 
             _nativeMenu.Update(_factory, appMenuHolder);
@@ -155,14 +150,9 @@ namespace Avalonia.Native
         {
             if (_nativeMenu is null)
             {
-                _nativeMenu = avnWindow.ObtainMainMenu();
+                _nativeMenu = IAvnMenu.Create(_factory);
 
-                if (_nativeMenu is null)
-                {
-                    _nativeMenu = IAvnMenu.Create(_factory);
-
-                    _nativeMenu.Initialise(this, menu, "");
-                }
+                _nativeMenu.Initialise(this, menu, "");                
             }
 
             _nativeMenu.Update(_factory, menu);