vcl: Drop SvTreeListBox::CallImplEventListeners

It simply calls Control::CallEventListeners.
Call the latter directly instead in the only
caller.

Change-Id: I744827f5a38e644f26b3fa03156f9d99a8b8a4b1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/205137
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins

include/vcl/toolkit/treelistbox.hxx

@@ -617,8 +617,6 @@ protected:
 
     virtual void    ApplySettings(vcl::RenderContext& rRenderContext) override;
 
-    void            CallImplEventListeners(VclEventId nEvent, void* pData);
-
     void            ImplEditEntry( SvTreeListEntry* pEntry );
 
     void            AdjustEntryHeightAndRecalc();

vcl/source/treelist/svimpbox.cxx

@@ -3122,7 +3122,7 @@ const Image& SvImpLBox::GetDefaultCollapsedNodeImage( )
 
 void SvImpLBox::CallEventListeners( VclEventId nEvent, void* pData )
 {
-    m_rView.CallImplEventListeners(nEvent, pData);
+    m_rView.CallEventListeners(nEvent, pData);
 }
 
 bool SvImpLBox::IsSelectable(const SvTreeListEntry& rEntry) const

vcl/source/treelist/treelistbox.cxx

@@ -3810,11 +3810,6 @@ tools::Rectangle SvTreeListBox::GetBoundingRect(const SvTreeListEntry* pEntry)
     return aRect;
 }
 
-void SvTreeListBox::CallImplEventListeners(VclEventId nEvent, void* pData)
-{
-    CallEventListeners(nEvent, pData);
-}
-
 void SvTreeListBox::set_min_width_in_chars(sal_Int32 nChars)
 {
     m_nMinWidthInChars = nChars;