ClangTools: Use std::unique_ptr in DiagnosticView

Change-Id: Iee8faf18178b6190b4d8b2bc2816ea00d680bd3f
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>

src/plugins/clangtools/clangtoolsdiagnosticview.cpp

@@ -178,22 +178,18 @@ private:
 DiagnosticView::DiagnosticView(QWidget *parent)
     : Debugger::DetailedErrorView(parent)
     , m_style(new DiagnosticViewStyle)
-    , m_delegate(new DiagnosticViewDelegate(m_style))
+    , m_delegate(new DiagnosticViewDelegate(m_style.get()))
 {
     m_suppressAction = new QAction(tr("Suppress This Diagnostic"), this);
     connect(m_suppressAction, &QAction::triggered,
             this, &DiagnosticView::suppressCurrentDiagnostic);
     installEventFilter(this);
 
-    setStyle(m_style);
+    setStyle(m_style.get());
-    setItemDelegate(m_delegate);
+    setItemDelegate(m_delegate.get());
 }
 
-DiagnosticView::~DiagnosticView()
+DiagnosticView::~DiagnosticView() = default;
-{
-    delete m_delegate;
-    delete m_style;
-}
 
 void DiagnosticView::suppressCurrentDiagnostic()
 {

src/plugins/clangtools/clangtoolsdiagnosticview.h

@@ -27,6 +27,8 @@
 
 #include <debugger/analyzer/detailederrorview.h>
 
+#include <memory>
+
 namespace ClangTools {
 namespace Internal {
 
@@ -59,8 +61,8 @@ private:
     void setModel(QAbstractItemModel *theProxyModel) override;
 
     QAction *m_suppressAction;
-    DiagnosticViewStyle *m_style = nullptr;
+    std::unique_ptr<DiagnosticViewStyle> m_style;
-    DiagnosticViewDelegate *m_delegate = nullptr;
+    std::unique_ptr<DiagnosticViewDelegate> m_delegate;
     bool m_ignoreSetSelectedFixItsCount = false;
 };