remove redundant api GetFrameSize.

native/Avalonia.Native/src/OSX/WindowBaseImpl.h

@@ -72,8 +72,6 @@ BEGIN_INTERFACE_MAP()
 
     virtual HRESULT GetClientSize(AvnSize *ret) override;
 
-    virtual HRESULT GetFrameSize(AvnSize *ret) override;
-
     virtual HRESULT GetScaling(double *ret) override;
 
     virtual HRESULT SetMinMaxSize(AvnSize minSize, AvnSize maxSize) override;

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

@@ -191,22 +191,7 @@ HRESULT WindowBaseImpl::GetClientSize(AvnSize *ret) {
         if (ret == nullptr)
             return E_POINTER;
 
-        auto frame = [View frame];
-        ret->Width = frame.size.width;
-        ret->Height = frame.size.height;
-
-        return S_OK;
-    }
-}
-
-HRESULT WindowBaseImpl::GetFrameSize(AvnSize *ret) {
-    START_COM_CALL;
-
-    @autoreleasepool {
-        if (ret == nullptr)
-            return E_POINTER;
-
-        auto frame = [Window frame];
+        auto frame = [View.frame];
         ret->Width = frame.size.width;
         ret->Height = frame.size.height;
 

src/Avalonia.Native/avn.idl

@@ -504,7 +504,6 @@ interface IAvnWindowBase : IUnknown
      HRESULT Close();
      HRESULT Activate();
      HRESULT GetClientSize(AvnSize*ret);
-     HRESULT GetFrameSize(AvnSize*ret);
      HRESULT GetScaling(double*ret);
      HRESULT SetMinMaxSize(AvnSize minSize, AvnSize maxSize);
      HRESULT Resize(double width, double height, AvnPlatformResizeReason reason);