Remove unnecessary mutex

CMimeContentType::m_ParameterMap isn't modified after construction

Change-Id: Ib3dbfbd4212ed0d7e8a9f29c655f935d3fc4f1bf
Reviewed-on: https://gerrit.libreoffice.org/61698
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

dtrans/source/cnttype/mcnttype.cxx

@@ -28,7 +28,6 @@
 using namespace com::sun::star::uno;
 using namespace com::sun::star::container;
 using namespace std;
-using namespace osl;
 
 CMimeContentType::CMimeContentType( const OUString& aCntType )
 {
@@ -52,8 +51,6 @@ OUString SAL_CALL CMimeContentType::getFullMediaType( )
 
 Sequence< OUString > SAL_CALL CMimeContentType::getParameters( )
 {
-    MutexGuard aGuard( m_aMutex );
-
     Sequence< OUString > seqParams;
 
     map< OUString, OUString >::iterator iter;
@@ -70,7 +67,6 @@ Sequence< OUString > SAL_CALL CMimeContentType::getParameters( )
 
 sal_Bool SAL_CALL CMimeContentType::hasParameter( const OUString& aName )
 {
-    MutexGuard aGuard( m_aMutex );
     return ( m_ParameterMap.end( ) != m_ParameterMap.find( aName.toAsciiLowerCase() ) );
 }
 
@@ -78,8 +74,6 @@ OUString SAL_CALL CMimeContentType::getParameterValue( const OUString& aName )
 {
     auto const lower = aName.toAsciiLowerCase();
 
-    MutexGuard aGuard( m_aMutex );
-
     if ( !hasParameter( lower ) )
         throw NoSuchElementException( );
 

dtrans/source/cnttype/mcnttype.hxx

@@ -51,7 +51,6 @@ private:
     void init( const OUString& aCntType );
 
 private:
-    ::osl::Mutex                             m_aMutex;
     OUString                            m_MediaType;
     OUString                            m_MediaSubtype;
     std::map< OUString, OUString > m_ParameterMap;