OutputFormatter: De-virtualize the clear() function

... and make it also clear the text edit.

Change-Id: Ifd073167b8afc27f3adafca1bdaf95316be7fdaa
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/outputformatter.cpp

@@ -147,6 +147,7 @@ void OutputFormatter::handleLink(const QString &href)
 void OutputFormatter::clear()
 {
     d->prependCarriageReturn = false;
+    plainTextEdit()->clear();
 }
 
 void OutputFormatter::setBoldFontEnabled(bool enabled)

src/libs/utils/outputformatter.h

@@ -56,7 +56,7 @@ public:
     void appendMessage(const QString &text, OutputFormat format);
 
     virtual void handleLink(const QString &href);
-    virtual void clear();
+    void clear();
     void setBoldFontEnabled(bool enabled);
     static QTextCharFormat linkFormat(const QTextCharFormat &inputFormat, const QString &href);
 

src/plugins/android/androidsdkmanagerwidget.cpp

@@ -436,10 +436,8 @@ void AndroidSdkManagerWidget::cancelPendingOperations()
 
 void AndroidSdkManagerWidget::switchView(AndroidSdkManagerWidget::View view)
 {
-    if (m_currentView == PackageListing) {
+    if (m_currentView == PackageListing)
         m_formatter->clear();
-        m_ui->outputEdit->clear();
-    }
     m_currentView = view;
     if (m_currentView == PackageListing)
         emit updatingSdkFinished();

src/plugins/coreplugin/outputwindow.cpp

@@ -445,7 +445,6 @@ QMimeData *OutputWindow::createMimeDataFromSelection() const
 
 void OutputWindow::clear()
 {
-    QPlainTextEdit::clear();
     d->formatter->clear();
 }