Cleanup CFWL_ThemePart data.

xfa/fwl/theme/cfwl_edittp.cpp

Index: xfa/fwl/theme/cfwl_edittp.cpp
diff --git a/xfa/fwl/theme/cfwl_edittp.cpp b/xfa/fwl/theme/cfwl_edittp.cpp
index 8f060ee6bfe0bd3a780e3bef6f00af63e91c4bed..e557e6606bf1722ccc0714632dccac226829d8b1 100644
--- a/xfa/fwl/theme/cfwl_edittp.cpp
+++ b/xfa/fwl/theme/cfwl_edittp.cpp
@@ -43,14 +43,12 @@ FX_BOOL CFWL_EditTP::DrawBackground(CFWL_ThemeBackground* pParams) {
                             &pParams->m_matrix);
         pGraphics->RestoreGraphState();
       } else {
-        FX_BOOL bStatic =
-            pParams->m_dwData == FWL_PARTDATA_EDT_StaticBackground;
         CFX_Path path;
         path.Create();
         path.AddRectangle(pParams->m_rtPart.left, pParams->m_rtPart.top,
                           pParams->m_rtPart.width, pParams->m_rtPart.height);
         CFX_Color cr(FWLTHEME_COLOR_Background);
-        if (!bStatic) {
+        if (!pParams->m_bStaticBackground) {
           if (pParams->m_dwStates & CFWL_PartState_Disabled)
             cr.Set(FWLTHEME_COLOR_EDGERB1);
           else if (pParams->m_dwStates & CFWL_PartState_ReadOnly)