Convert FWL_ERR into an enum class.

xfa/fwl/basewidget/fwl_pushbuttonimp.cpp

Index: xfa/fwl/basewidget/fwl_pushbuttonimp.cpp
diff --git a/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp b/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp
index b1e5f6bdb41a921f822adfa6f1a71440f0bb4fa1..1c698ee6c6ab1d5e9f60d1e792a928642a4a7d6c 100644
--- a/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp
+++ b/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp
@@ -39,25 +39,26 @@ CFWL_PushButtonImp::CFWL_PushButtonImp(
   m_rtCaption.Set(0, 0, 0, 0);
 }
 CFWL_PushButtonImp::~CFWL_PushButtonImp() {}
-FWL_ERR CFWL_PushButtonImp::GetClassName(CFX_WideString& wsClass) const {
+FWL_Error CFWL_PushButtonImp::GetClassName(CFX_WideString& wsClass) const {
   wsClass = FWL_CLASS_PushButton;
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 uint32_t CFWL_PushButtonImp::GetClassID() const {
   return FWL_CLASSHASH_PushButton;
 }
-FWL_ERR CFWL_PushButtonImp::Initialize() {
-  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
-    return FWL_ERR_Indefinite;
+FWL_Error CFWL_PushButtonImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded)
+    return FWL_Error::Indefinite;
   m_pDelegate = new CFWL_PushButtonImpDelegate(this);
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
-FWL_ERR CFWL_PushButtonImp::Finalize() {
+FWL_Error CFWL_PushButtonImp::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
   return CFWL_WidgetImp::Finalize();
 }
-FWL_ERR CFWL_PushButtonImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+FWL_Error CFWL_PushButtonImp::GetWidgetRect(CFX_RectF& rect,
+                                            FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, 0, 0);
     if (m_pProperties->m_pThemeProvider == NULL) {
@@ -81,18 +82,18 @@ FWL_ERR CFWL_PushButtonImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   } else {
     rect = m_pProperties->m_rtWidget;
   }
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
-FWL_ERR CFWL_PushButtonImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
+FWL_Error CFWL_PushButtonImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
   if ((dwStates & FWL_WGTSTATE_Disabled) && bSet) {
     m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled;
-    return FWL_ERR_Succeeded;
+    return FWL_Error::Succeeded;
   }
   return CFWL_WidgetImp::SetStates(dwStates, bSet);
 }
-FWL_ERR CFWL_PushButtonImp::Update() {
+FWL_Error CFWL_PushButtonImp::Update() {
   if (IsLocked()) {
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   }
   if (!m_pProperties->m_pThemeProvider) {
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
@@ -103,14 +104,14 @@ FWL_ERR CFWL_PushButtonImp::Update() {
   FX_FLOAT* fcaption =
       static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin));
   m_rtCaption.Inflate(-*fcaption, -*fcaption);
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
-FWL_ERR CFWL_PushButtonImp::DrawWidget(CFX_Graphics* pGraphics,
-                                       const CFX_Matrix* pMatrix) {
+FWL_Error CFWL_PushButtonImp::DrawWidget(CFX_Graphics* pGraphics,
+                                         const CFX_Matrix* pMatrix) {
   if (!pGraphics)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   if (!m_pProperties->m_pThemeProvider)
-    return FWL_ERR_Indefinite;
+    return FWL_Error::Indefinite;
   IFWL_PushButtonDP* pData =
       static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider);
   CFX_DIBitmap* pPicture = NULL;
@@ -291,7 +292,7 @@ FWL_ERR CFWL_PushButtonImp::DrawWidget(CFX_Graphics* pGraphics,
       DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix);
       break;
   }
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 void CFWL_PushButtonImp::DrawBkground(CFX_Graphics* pGraphics,
                                       IFWL_ThemeProvider* pTheme,
@@ -458,11 +459,11 @@ int32_t CFWL_PushButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   return iRet;
 }
 
-FWL_ERR CFWL_PushButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
-  return FWL_ERR_Succeeded;
+FWL_Error CFWL_PushButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  return FWL_Error::Succeeded;
 }
-FWL_ERR CFWL_PushButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
-                                                 const CFX_Matrix* pMatrix) {
+FWL_Error CFWL_PushButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                   const CFX_Matrix* pMatrix) {
   return m_pOwner->DrawWidget(pGraphics, pMatrix);
 }
 void CFWL_PushButtonImpDelegate::OnFocusChanged(CFWL_Message* pMsg,