Cleanup unused methods and return values in FWL code.

xfa/fwl/theme/cfwl_checkboxtp.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/theme/cfwl_checkboxtp.h"
 
 #include "core/fxge/cfx_pathdata.h"
 #include "xfa/fde/tto/fde_textout.h"
@@ skipping 27 matching lines @@
 bool CFWL_CheckBoxTP::IsValidWidget(IFWL_Widget* pWidget) {
   return pWidget && pWidget->GetClassID() == FWL_Type::CheckBox;
 }
 
 uint32_t CFWL_CheckBoxTP::SetThemeID(IFWL_Widget* pWidget, uint32_t dwThemeID) {
   if (m_pThemeData)
     SetThemeData(FWL_GetThemeColor(dwThemeID));
   return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID);
 }
 
-FX_BOOL CFWL_CheckBoxTP::DrawText(CFWL_ThemeText* pParams) {
+void CFWL_CheckBoxTP::DrawText(CFWL_ThemeText* pParams) {
   if (!m_pTextOut)
-    return FALSE;
+    return;
+
   m_pTextOut->SetTextColor(pParams->m_dwStates & CFWL_PartState_Disabled
                                ? FWLTHEME_CAPACITY_TextDisColor
                                : FWLTHEME_CAPACITY_TextColor);
-  return CFWL_WidgetTP::DrawText(pParams);
+  CFWL_WidgetTP::DrawText(pParams);
 }
 
-FWL_Error CFWL_CheckBoxTP::Initialize() {
+void CFWL_CheckBoxTP::Initialize() {
   InitTTO();
-  return CFWL_WidgetTP::Initialize();
+  CFWL_WidgetTP::Initialize();
 }
 
-FWL_Error CFWL_CheckBoxTP::Finalize() {
+void CFWL_CheckBoxTP::Finalize() {
   FinalizeTTO();
-  return CFWL_WidgetTP::Finalize();
+  CFWL_WidgetTP::Finalize();
 }
 
 void CFWL_CheckBoxTP::DrawSignCheck(CFX_Graphics* pGraphics,
                                     const CFX_RectF* pRtSign,
                                     FX_ARGB argbFill,
                                     CFX_Matrix* pMatrix) {
   if (!m_pCheckPath)
     InitCheckPath(pRtSign->width);
 
   CFX_Matrix mt;
@@ skipping 240 matching lines @@
                            pt1.x, pt1.y);
     FX_FLOAT fScale = fCheckLen / kSignPath;
     CFX_Matrix mt;
     mt.Set(1, 0, 0, 1, 0, 0);
     mt.Scale(fScale, fScale);
     CFX_PathData* pData = m_pCheckPath->GetPathData();
     pData->Transform(&mt);
   }
 }
 
-FX_BOOL CFWL_CheckBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
-  if (pParams->m_iPart != CFWL_Part::CheckBox) {
-    return FALSE;
-  }
+void CFWL_CheckBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (pParams->m_iPart != CFWL_Part::CheckBox)
+    return;
+
   if ((pParams->m_dwStates & CFWL_PartState_Checked) ||
       (pParams->m_dwStates & CFWL_PartState_Neutral)) {
     DrawCheckSign(pParams->m_pWidget, pParams->m_pGraphics, pParams->m_rtPart,
                   pParams->m_dwStates, &pParams->m_matrix);
   }
-  return FALSE;
 }
 
 void CFWL_CheckBoxTP::DrawCheckSign(IFWL_Widget* pWidget,
                                     CFX_Graphics* pGraphics,
                                     const CFX_RectF& pRtBox,
                                     int32_t iState,
                                     CFX_Matrix* pMatrix) {
   CFX_RectF rtSign(pRtBox);
   uint32_t dwColor = iState & CFWL_PartState_Neutral ? 0xFFA9A9A9 : 0xFF000000;
 
@@ skipping 15 matching lines @@
     case FWL_STYLEEXT_CKB_SignShapeSquare:
       DrawSignSquare(pGraphics, &rtSign, dwColor, pMatrix);
       break;
     case FWL_STYLEEXT_CKB_SignShapeStar:
       DrawSignStar(pGraphics, &rtSign, dwColor, pMatrix);
       break;
     default:
       break;
   }
 }