loplugin:useuniqueptr in OLEObjCache

Change-Id: Ie16963e2b3b9d85d5640f03daa487dbe231af4a1
Reviewed-on: https://gerrit.libreoffice.org/49272Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/svx/svdetc.hxx

@@ -27,6 +27,7 @@
 #include <tools/fract.hxx>
 #include <vcl/outdev.hxx>
 #include <svx/svdobj.hxx>
+#include <memory>
 
 
 /**
@@ -162,7 +163,7 @@ class OLEObjCache
     std::vector<SdrOle2Obj*> maObjs;
 
     size_t         nSize;
-    AutoTimer*          pTimer;
+    std::unique_ptr<AutoTimer>  pTimer;
 
     static bool UnloadObj( SdrOle2Obj* pObj );
     DECL_LINK( UnloadCheckHdl, Timer*, void );

svx/source/svdraw/svdetc.cxx

@@ -108,7 +108,7 @@ OLEObjCache::OLEObjCache()
         nSize = officecfg::Office::Common::Cache::DrawingEngine::OLE_Objects::get();
     else
         nSize = 100;
-    pTimer = new AutoTimer( "svx OLEObjCache pTimer UnloadCheck" );
+    pTimer.reset( new AutoTimer( "svx OLEObjCache pTimer UnloadCheck" ) );
     pTimer->SetInvokeHandler( LINK(this, OLEObjCache, UnloadCheckHdl) );
     pTimer->SetTimeout(20000);
     pTimer->SetStatic();
@@ -117,7 +117,6 @@ OLEObjCache::OLEObjCache()
 OLEObjCache::~OLEObjCache()
 {
     pTimer->Stop();
-    delete pTimer;
 }
 
 IMPL_LINK_NOARG(OLEObjCache, UnloadCheckHdl, Timer*, void)