Convert FWL_ERR into an enum class.

xfa/fwl/lightwidget/cfwl_theme.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/lightwidget/cfwl_theme.h"
 
 #include <algorithm>
 
@@ skipping 46 matching lines @@
                                 uint32_t dwThemeID,
                                 FX_BOOL bChildren) {
   uint32_t dwID;
   for (const auto& pTheme : m_ThemesArray) {
     dwID = pTheme->GetThemeID(pWidget);
     pTheme->SetThemeID(pWidget, dwThemeID, FALSE);
   }
   return dwID;
 }
 
-FWL_ERR CFWL_Theme::GetThemeMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix) {
-  return FWL_ERR_Succeeded;
+FWL_Error CFWL_Theme::GetThemeMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix) {
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_Theme::SetThemeMatrix(IFWL_Widget* pWidget,
-                                   const CFX_Matrix& matrix) {
-  return FWL_ERR_Succeeded;
+FWL_Error CFWL_Theme::SetThemeMatrix(IFWL_Widget* pWidget,
+                                     const CFX_Matrix& matrix) {
+  return FWL_Error::Succeeded;
 }
 
 FX_BOOL CFWL_Theme::DrawBackground(CFWL_ThemeBackground* pParams) {
   return GetTheme(pParams->m_pWidget)->DrawBackground(pParams);
 }
 
 FX_BOOL CFWL_Theme::DrawText(CFWL_ThemeText* pParams) {
   return GetTheme(pParams->m_pWidget)->DrawText(pParams);
 }
 
 void* CFWL_Theme::GetCapacity(CFWL_ThemePart* pThemePart,
                               CFWL_WidgetCapacity dwCapacity) {
   return GetTheme(pThemePart->m_pWidget)->GetCapacity(pThemePart, dwCapacity);
 }
 
 FX_BOOL CFWL_Theme::IsCustomizedLayout(IFWL_Widget* pWidget) {
   return GetTheme(pWidget)->IsCustomizedLayout(pWidget);
 }
 
-FWL_ERR CFWL_Theme::GetPartRect(CFWL_ThemePart* pThemePart, CFX_RectF& rtPart) {
+FWL_Error CFWL_Theme::GetPartRect(CFWL_ThemePart* pThemePart,
+                                  CFX_RectF& rtPart) {
   return GetTheme(pThemePart->m_pWidget)->GetPartRect(pThemePart, rtPart);
 }
 
 FX_BOOL CFWL_Theme::IsInPart(CFWL_ThemePart* pThemePart,
                              FX_FLOAT fx,
                              FX_FLOAT fy) {
   return GetTheme(pThemePart->m_pWidget)->IsInPart(pThemePart, fx, fy);
 }
 
 FX_BOOL CFWL_Theme::CalcTextRect(CFWL_ThemeText* pParams, CFX_RectF& rect) {
   return GetTheme(pParams->m_pWidget)->CalcTextRect(pParams, rect);
 }
 
-FWL_ERR CFWL_Theme::Initialize() {
+FWL_Error CFWL_Theme::Initialize() {
   for (const auto& pTheme : m_ThemesArray)
     pTheme->Initialize();
 
   FWLTHEME_Init();
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_Theme::Finalize() {
+FWL_Error CFWL_Theme::Finalize() {
   for (const auto& pTheme : m_ThemesArray)
     pTheme->Finalize();
 
   FWLTHEME_Release();
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
-FWL_ERR CFWL_Theme::SetFont(IFWL_Widget* pWidget,
-                            const FX_WCHAR* strFont,
-                            FX_FLOAT fFontSize,
-                            FX_ARGB rgbFont) {
+FWL_Error CFWL_Theme::SetFont(IFWL_Widget* pWidget,
+                              const FX_WCHAR* strFont,
+                              FX_FLOAT fFontSize,
+                              FX_ARGB rgbFont) {
   for (const auto& pTheme : m_ThemesArray)
     pTheme->SetFont(pWidget, strFont, fFontSize, rgbFont);
 
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 
 CFWL_WidgetTP* CFWL_Theme::GetTheme(IFWL_Widget* pWidget) {
   for (const auto& pTheme : m_ThemesArray) {
     if (pTheme->IsValidWidget(pWidget))
       return pTheme.get();
   }
   return nullptr;
 }