Hg: Add history completers to path choosers

Change-Id: Ia7bfb9d1703a73d358fdf05bf41223209c78d45c
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/mercurial/optionspage.cpp

@@ -45,6 +45,7 @@ OptionsPageWidget::OptionsPageWidget(QWidget *parent) :
 {
     m_ui.setupUi(this);
     m_ui.commandChooser->setExpectedKind(Utils::PathChooser::ExistingCommand);
+    m_ui.commandChooser->setHistoryCompleter(QLatin1String("Mercurial.Command.History"));
     m_ui.commandChooser->setPromptDialogTitle(tr("Mercurial Command"));
 }
 

src/plugins/mercurial/srcdestdialog.cpp

@@ -44,6 +44,7 @@ SrcDestDialog::SrcDestDialog(QWidget *parent) :
 {
     m_ui->setupUi(this);
     m_ui->localPathChooser->setExpectedKind(Utils::PathChooser::ExistingDirectory);
+    m_ui->localPathChooser->setHistoryCompleter(QLatin1String("Hg.SourceDir.History"));
     QUrl repoUrl(getRepoUrl());
     if (repoUrl.isEmpty())
         return;