convert ComponentMethodGuard::MethodType to scoped enum

Change-Id: I1f1b4981c70c2b8ff8087a85f0af28b816b4654a

comphelper/source/container/enumerablemap.cxx

@@ -321,7 +321,7 @@ namespace comphelper
 
     void SAL_CALL EnumerableMap::initialize( const Sequence< Any >& _arguments ) throw (Exception, RuntimeException, std::exception)
     {
-        ComponentMethodGuard aGuard( *this, ComponentMethodGuard::WithoutInit );
+        ComponentMethodGuard aGuard( *this, ComponentMethodGuard::MethodType::WithoutInit );
         if ( impl_isInitialized_nothrow() )
             throw AlreadyInitializedException();
 

include/comphelper/componentbase.hxx

@@ -110,7 +110,7 @@ namespace comphelper
     class ComponentMethodGuard
     {
     public:
-        enum MethodType
+        enum class MethodType
         {
             /// allow the method to be called only when being initialized and not being disposed
             Default,
@@ -119,10 +119,10 @@ namespace comphelper
 
         };
 
-        ComponentMethodGuard( ComponentBase& _rComponent, const MethodType _eType = Default )
+        ComponentMethodGuard( ComponentBase& _rComponent, const MethodType _eType = MethodType::Default )
             :m_aMutexGuard( _rComponent.getMutex( ComponentBase::GuardAccess() ) )
         {
-            if ( _eType != WithoutInit )
+            if ( _eType != MethodType::WithoutInit )
                 _rComponent.checkInitialized( ComponentBase::GuardAccess() );
             _rComponent.checkDisposed( ComponentBase::GuardAccess() );
         }