This can be private

Change-Id: Ida54a46580fb3d1ec49ea5daeb55c0235d2bf85a
Lock SolarMutex in RichtTextEngine::Create

...as always, the question is where exactly to place the mutex guard, but
without it querying for XServiceInfo of a freshly instantiated
"stardiv.one.form.component.Edit" (i.e., OFormattedFieldWrapper) would lead to
failing

> DbgTestSolarMutex () at include/tools/debug.hxx:295
> OutputDevice::ImplGetGraphics (this=0x2b81dc11e680) at vcl/source/gdi/outdev.cxx:560
> OutputDevice::DrawRect (this=0x2b81dc11e680, rRect=Rectangle = {...}) at vcl/source/gdi/outdev.cxx:1649
> OutputDevice::ImplDrawColorWallpaper (this=0x2b81dc11e680, nX=0, nY=0, nWidth=1, nHeight=1, rWallpaper=...) at vcl/source/gdi/outdev6.cxx:778
> OutputDevice::ImplDrawWallpaper (this=0x2b81dc11e680, nX=0, nY=0, nWidth=1, nHeight=1, rWallpaper=...) at vcl/source/gdi/outdev6.cxx:1083
> OutputDevice::Erase (this=0x2b81dc11e680) at vcl/source/gdi/outdev6.cxx:1144
> VirtualDevice::ImplInitVirDev (this=0x2b81dc11e680, pOutDev=0x28dc0a0, nDX=1, nDY=1, nBitCount=0, pData=0x0) at vcl/source/gdi/virdev.cxx:114
> VirtualDevice::VirtualDevice (this=0x2b81dc11e680, nBitCount=0) at vcl/source/gdi/virdev.cxx:136
> ImpEditEngine::SetRefDevice (this=0x2b81dc045f10, pRef=0x0) at editeng/source/editeng/impedit2.cxx:195
> ImpEditEngine::ImpEditEngine (this=0x2b81dc045f10, pEE=0x2b81dc0c8a00, pItemPool=0x2b81dc0a0960) at editeng/source/editeng/impedit2.cxx:156
> EditEngine::EditEngine (this=0x2b81dc0c8a00, pItemPool=0x2b81dc0a0960) at editeng/source/editeng/editeng.cxx:104
> frm::RichTextEngine::RichTextEngine (this=0x2b81dc0c8a00, _pPool=0x2b81dc0a0960) at forms/source/richtext/richtextengine.cxx:103
> frm::RichTextEngine::Create () at forms/source/richtext/richtextengine.cxx:52
> frm::ORichTextModel::ORichTextModel (this=0x2b81d866ff30, _rxFactory=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at forms/source/richtext/richtextmodel.cxx:66
> frm::ORichTextModel::Create (_rxFactory=uno::Reference to (cppuhelper::ServiceManager *) 0x2b813a25a260) at forms/source/richtext/richtextmodel.cxx:243
> cppu::OSingleFactoryHelper::createInstanceEveryTime (this=0x2b819d66a6a0, xContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/factory.cxx:171
> cppu::OSingleFactoryHelper::createInstanceWithContext (this=0x2b819d66a6a0, xContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/factory.cxx:203
> cppu::OFactoryComponentHelper::createInstanceWithContext (this=0x2b819d66a638, xContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/factory.cxx:432
> non-virtual thunk to cppu::OFactoryComponentHelper::createInstanceWithContext(com::sun::star::uno::Reference<com::sun::star::uno::XComponentContext> const&) () at cppuhelper/source/factory.cxx:433
> cppuhelper::ServiceManager::createInstanceWithContext (this=0x2b813a25a208, aServiceSpecifier="com.sun.star.form.component.RichTextControl", Context=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/servicemanager.cxx:979
> non-virtual thunk to cppuhelper::ServiceManager::createInstanceWithContext(rtl::OUString const&, com::sun::star::uno::Reference<com::sun::star::uno::XComponentContext> const&) () at cppuhelper/source/servicemanager.cxx:987
> frm::OControlModel::OControlModel (this=0x2b81d8679408, _rxContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8, _rUnoControlModelTypeName="com.sun.star.form.component.RichTextControl", rDefault="com.sun.star.form.control.TextField", _bSetDelegator=0 '\000') at forms/source/component/FormComponent.cxx:593
> frm::OBoundControlModel::OBoundControlModel (this=0x2b81d8679408, _rxFactory=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8, _rUnoControlModelTypeName="com.sun.star.form.component.RichTextControl", _rDefault="com.sun.star.form.control.TextField", _bCommitable=1 '\001', _bSupportExternalBinding=1 '\001', _bSupportsValidation=1 '\001') at forms/source/component/FormComponent.cxx:1273
> frm::OEditBaseModel::OEditBaseModel (this=0x2b81d8679408, _rxFactory=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8, rUnoControlModelName="com.sun.star.form.component.RichTextControl", rDefault="com.sun.star.form.control.TextField", _bSupportExternalBinding=1 '\001', _bSupportsValidation=1 '\001') at forms/source/component/EditBase.cxx:57
> frm::OEditModel::OEditModel (this=0x2b81d8679408, _rxFactory=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at forms/source/component/Edit.cxx:296
> frm::OEditModel_CreateInstance (_rxFactory=uno::Reference to (cppuhelper::ServiceManager *) 0x2b813a25a260) at forms/source/component/Edit.cxx:280
> cppu::OSingleFactoryHelper::createInstanceEveryTime (this=0x2b819d66a5c0, xContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/factory.cxx:171
> cppu::OSingleFactoryHelper::createInstanceWithContext (this=0x2b819d66a5c0, xContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/factory.cxx:203
> cppu::OFactoryComponentHelper::createInstanceWithContext (this=0x2b819d66a558, xContext=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/factory.cxx:432
> non-virtual thunk to cppu::OFactoryComponentHelper::createInstanceWithContext(com::sun::star::uno::Reference<com::sun::star::uno::XComponentContext> const&) () at cppuhelper/source/factory.cxx:433
> cppuhelper::ServiceManager::createInstanceWithContext (this=0x2b813a25a208, aServiceSpecifier="com.sun.star.form.component.TextField", Context=uno::Reference to (cppu::ComponentContext *) 0x2b813a244dd8) at cppuhelper/source/servicemanager.cxx:979
> non-virtual thunk to cppuhelper::ServiceManager::createInstanceWithContext(rtl::OUString const&, com::sun::star::uno::Reference<com::sun::star::uno::XComponentContext> const&) () at cppuhelper/source/servicemanager.cxx:987
> frm::OFormattedFieldWrapper::ensureAggregate (this=0x2b81d8879818) at forms/source/component/FormattedFieldWrapper.cxx:342
> frm::OFormattedFieldWrapper::queryAggregation (this=0x2b81d8879818, _rType=invalid uno::Type) at forms/source/component/FormattedFieldWrapper.cxx:164
> cppu::OWeakAggObject::queryInterface (this=0x2b81d8879818, rType=invalid uno::Type) at cppuhelper/source/weak.cxx:281
> frm::OFormattedFieldWrapper::queryInterface (this=0x2b81d8879818, _rType=invalid uno::Type) at forms/source/component/FormattedFieldWrapper.hxx:68
> com::sun::star::uno::BaseReference::iquery (pInterface=0x2b81d8879818, rType=invalid uno::Type) at include/com/sun/star/uno/Reference.hxx:43
> com::sun::star::uno::Reference<com::sun::star::lang::XServiceInfo>::iquery (pInterface=0x2b81d8879818) at include/com/sun/star/uno/Reference.hxx:58
> com::sun::star::uno::Reference<com::sun::star::lang::XServiceInfo>::Reference (this=0x2b81d8663a98, rRef=...) at include/com/sun/star/uno/Reference.hxx:158

Change-Id: I16ebbb2caf4f0fe943c9e43bddde03b5a2627e35
Consolidate XServiceInfo for classes derived from SvXMLExport

Change-Id: Ia3e2b5e682a64844bb6c713912c50c7681393d52