TextEditor: Add history completer to path choosers

Change-Id: I32f7ee73474bd9a5c1d7d435d4d2969c4126662a
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/texteditor/generichighlighter/highlightersettingspage.cpp

@@ -94,9 +94,11 @@ QWidget *HighlighterSettingsPage::createPage(QWidget *parent)
     m_d->m_page = new Ui::HighlighterSettingsPage;
     m_d->m_page->setupUi(w);
     m_d->m_page->definitionFilesPath->setExpectedKind(Utils::PathChooser::ExistingDirectory);
+    m_d->m_page->definitionFilesPath->setHistoryCompleter(QLatin1String("TextEditor.Highlighter.History"));
     m_d->m_page->definitionFilesPath->addButton(tr("Download Definitions..."), this,
                                                SLOT(requestAvailableDefinitionsMetaData()));
     m_d->m_page->fallbackDefinitionFilesPath->setExpectedKind(Utils::PathChooser::ExistingDirectory);
+    m_d->m_page->fallbackDefinitionFilesPath->setHistoryCompleter(QLatin1String("TextEditor.Highlighter.History"));
     m_d->m_page->fallbackDefinitionFilesPath->addButton(tr("Autodetect"), this,
                                                        SLOT(resetDefinitionsLocation()));