loplugin:useuniqueptr in SwXTextDocument

Change-Id: I095e0b35d62fa0c82e7e171b2923431e06175558
Reviewed-on: https://gerrit.libreoffice.org/60614
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/inc/unotxdoc.hxx

@@ -133,7 +133,7 @@ private:
     class Impl;
     ::sw::UnoImplPtr<Impl> m_pImpl;
 
-    std::deque<UnoActionContext*> aActionArr;
+    std::deque<std::unique_ptr<UnoActionContext>> maActionArr;
 
     const SfxItemPropertySet* pPropSet;
 

sw/source/uibase/uno/unotxdoc.cxx

@@ -545,25 +545,22 @@ void SwXTextDocument::lockControllers()
     if(!IsValid())
         throw DisposedException("", static_cast< XTextDocument* >(this));
 
-    UnoActionContext* pContext = new UnoActionContext(pDocShell->GetDoc());
-    aActionArr.push_front(pContext);
+    maActionArr.emplace_front(new UnoActionContext(pDocShell->GetDoc()));
 }
 
 void SwXTextDocument::unlockControllers()
 {
     SolarMutexGuard aGuard;
-    if(aActionArr.empty())
+    if(maActionArr.empty())
         throw RuntimeException("Nothing to unlock");
 
-    UnoActionContext* pContext = aActionArr.front();
-    aActionArr.pop_front();
-    delete pContext;
+    maActionArr.pop_front();
 }
 
 sal_Bool SwXTextDocument::hasControllersLocked()
 {
     SolarMutexGuard aGuard;
-    return !aActionArr.empty();
+    return !maActionArr.empty();
 }
 
 Reference< frame::XController >  SwXTextDocument::getCurrentController()