removed unused wxWindowGTK::m_isFrame

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15719 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/mdi.cpp

@@ -297,7 +297,6 @@ wxMDIChildFrame::wxMDIChildFrame()
 {
     m_menuBar = (wxMenuBar *) NULL;
     m_page = (GtkNotebookPage *) NULL;
-    m_isFrame = FALSE;
 }
 
 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
@@ -307,7 +306,6 @@ wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 {
     m_menuBar = (wxMenuBar *) NULL;
     m_page = (GtkNotebookPage *) NULL;
-    m_isFrame = FALSE;
     Create( parent, id, title, wxDefaultPosition, size, style, name );
 }
 

src/gtk1/toplevel.cpp

@@ -298,7 +298,6 @@ void wxTopLevelWindowGTK::Init()
     m_miniTitle = 0;
     m_mainWidget = (GtkWidget*) NULL;
     m_insertInClientArea = TRUE;
-    m_isFrame = TRUE;
     m_isIconized = FALSE;
     m_fsIsShowing = FALSE;
     m_themeEnabled = TRUE;

src/gtk1/window.cpp

@@ -2263,7 +2263,6 @@ void wxWindowGTK::Init()
 
     m_insertCallback = (wxInsertChildFunction) NULL;
 
-    m_isFrame = FALSE;
     m_acceptsFocus = FALSE;
     m_hasFocus = FALSE;