loplugin:useuniqueptr in SwGrfExtPage

Change-Id: Ic71cf09b6a443f6918b074010fe53ea0843bf246
Reviewed-on: https://gerrit.libreoffice.org/58238
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

compilerplugins/clang/useuniqueptr.cxx

@@ -110,6 +110,12 @@ public:
         // SfxObjectShell::pMedium
         if (fn == SRCDIR "/sfx2/source/doc/objxtor.cxx")
             return;
+        // various
+        if (fn == SRCDIR "/sw/source/filter/ww8/wrtww8.cxx")
+            return;
+        // WW8TabBandDesc
+        if (fn == SRCDIR "/sw/source/filter/ww8/ww8par2.cxx")
+            return;
 
         TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
     }

sw/source/ui/frmdlg/frmpage.cxx

@@ -2406,7 +2406,7 @@ SwGrfExtPage::~SwGrfExtPage()
 
 void SwGrfExtPage::dispose()
 {
-    delete pGrfDlg;
+    pGrfDlg.reset();
     m_pMirror.clear();
     m_pMirrorVertBox.clear();
     m_pMirrorHorzBox.clear();
@@ -2603,9 +2603,9 @@ IMPL_LINK_NOARG(SwGrfExtPage, BrowseHdl, Button*, void)
 {
     if(!pGrfDlg)
     {
-        pGrfDlg = new FileDialogHelper(
+        pGrfDlg.reset(new FileDialogHelper(
                 ui::dialogs::TemplateDescription::FILEOPEN_LINK_PREVIEW,
-                FileDialogFlags::Graphic, GetFrameWeld());
+                FileDialogFlags::Graphic, GetFrameWeld()));
         pGrfDlg->SetTitle(get<VclFrame>("linkframe")->get_label());
     }
     pGrfDlg->SetDisplayDirectory( m_pConnectED->GetText() );

sw/source/uibase/inc/frmpage.hxx

@@ -222,7 +222,7 @@ class SwGrfExtPage: public SfxTabPage
     OUString        aFilterName;
     OUString        aGrfName, aNewGrfName;
 
-    ::sfx2::FileDialogHelper*     pGrfDlg;
+    std::unique_ptr<::sfx2::FileDialogHelper> pGrfDlg;
 
     bool            bHtmlMode;