Remove unused code.

xfa/fwl/lightwidget/cfwl_theme.cpp

Index: xfa/fwl/lightwidget/cfwl_theme.cpp
diff --git a/xfa/fwl/lightwidget/cfwl_theme.cpp b/xfa/fwl/lightwidget/cfwl_theme.cpp
deleted file mode 100644
index 4824667080ba6c6fd795edb3c9d43e8f22856322..0000000000000000000000000000000000000000
--- a/xfa/fwl/lightwidget/cfwl_theme.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
-// 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>
-
-#include "xfa/fwl/core/cfwl_themebackground.h"
-#include "xfa/fwl/core/cfwl_themepart.h"
-#include "xfa/fwl/core/cfwl_themetext.h"
-#include "xfa/fwl/theme/cfwl_barcodetp.h"
-#include "xfa/fwl/theme/cfwl_carettp.h"
-#include "xfa/fwl/theme/cfwl_checkboxtp.h"
-#include "xfa/fwl/theme/cfwl_comboboxtp.h"
-#include "xfa/fwl/theme/cfwl_datetimepickertp.h"
-#include "xfa/fwl/theme/cfwl_edittp.h"
-#include "xfa/fwl/theme/cfwl_formtp.h"
-#include "xfa/fwl/theme/cfwl_listboxtp.h"
-#include "xfa/fwl/theme/cfwl_monthcalendartp.h"
-#include "xfa/fwl/theme/cfwl_pictureboxtp.h"
-#include "xfa/fwl/theme/cfwl_pushbuttontp.h"
-#include "xfa/fwl/theme/cfwl_scrollbartp.h"
-
-CFWL_Theme::CFWL_Theme() {
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_FormTP));
-  m_ThemesArray.push_back(
-      std::unique_ptr<CFWL_WidgetTP>(new CFWL_PushButtonTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_CheckBoxTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ListBoxTP));
-  m_ThemesArray.push_back(
-      std::unique_ptr<CFWL_WidgetTP>(new CFWL_PictureBoxTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ScrollBarTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_EditTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ComboBoxTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_BarcodeTP));
-  m_ThemesArray.push_back(
-      std::unique_ptr<CFWL_WidgetTP>(new CFWL_DateTimePickerTP));
-  m_ThemesArray.push_back(
-      std::unique_ptr<CFWL_WidgetTP>(new CFWL_MonthCalendarTP));
-  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_CaretTP));
-}
-
-CFWL_Theme::~CFWL_Theme() {}
-
-bool CFWL_Theme::IsValidWidget(IFWL_Widget* pWidget) {
-  return !!GetTheme(pWidget);
-}
-
-uint32_t CFWL_Theme::GetThemeID(IFWL_Widget* pWidget) {
-  return GetTheme(pWidget)->GetThemeID(pWidget);
-}
-
-uint32_t CFWL_Theme::SetThemeID(IFWL_Widget* pWidget,
-                                uint32_t dwThemeID,
-                                FX_BOOL bChildren) {
-  uint32_t dwID = 0;
-  for (const auto& pTheme : m_ThemesArray) {
-    dwID = pTheme->GetThemeID(pWidget);
-    pTheme->SetThemeID(pWidget, dwThemeID, FALSE);
-  }
-  return dwID;
-}
-
-FWL_Error CFWL_Theme::GetThemeMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix) {
-  return FWL_Error::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_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_Error CFWL_Theme::Initialize() {
-  for (const auto& pTheme : m_ThemesArray)
-    pTheme->Initialize();
-
-  FWLTHEME_Init();
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_Theme::Finalize() {
-  for (const auto& pTheme : m_ThemesArray)
-    pTheme->Finalize();
-
-  FWLTHEME_Release();
-  return FWL_Error::Succeeded;
-}
-
-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_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;
-}