Return bool rather than bitwise-and for FX_BOOL

xfa/fwl/core/fwl_widgetmgrimp.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fwl/core/fwl_widgetmgrimp.h"
 
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/fwl_appimp.h"
@@ skipping 649 matching lines @@
   if (!pWidget)
     return FALSE;
   if (!pWidget->IsInstance(FX_WSTRC(FWL_CLASS_Form))) {
     return FALSE;
   }
   uint32_t dwStyles = pWidget->GetStyles();
   return ((dwStyles & FWL_WGTSTYLE_WindowTypeMask) ==
           FWL_WGTSTYLE_OverLapper) ||
          (dwStyles & FWL_WGTSTYLE_Popup);
 }
-FX_BOOL CFWL_WidgetMgr::IsThreadEnabled() {
+
+bool CFWL_WidgetMgr::IsThreadEnabled() {
   return !(m_dwCapability & FWL_WGTMGR_DisableThread);
 }
-FX_BOOL CFWL_WidgetMgr::IsFormDisabled() {
-  return m_dwCapability & FWL_WGTMGR_DisableForm;
+
+bool CFWL_WidgetMgr::IsFormDisabled() {
+  return !!(m_dwCapability & FWL_WGTMGR_DisableForm);
 }
+
 FX_BOOL CFWL_WidgetMgr::GetAdapterPopupPos(IFWL_Widget* pWidget,
                                            FX_FLOAT fMinHeight,
                                            FX_FLOAT fMaxHeight,
                                            const CFX_RectF& rtAnchor,
                                            CFX_RectF& rtPopup) {
   IFWL_AdapterWidgetMgr* pSDApapter = GetAdapterWidgetMgr();
   return pSDApapter->GetPopupPos(pWidget, fMinHeight, fMaxHeight, rtAnchor,
                                  rtPopup);
 }
 CFWL_WidgetMgrDelegate::CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr)
@@ skipping 314 matching lines @@
     CFX_RectF temp(m_pWidgetMgr->m_rtScreen);
     temp.Deflate(50, 50);
     if (!temp.Contains(r)) {
       return FALSE;
     }
     pItem->bOutsideChanged = FALSE;
   }
 #endif
   return pItem->iRedrawCounter == 0;
 }