Cleanup unused methods and return values in FWL code.

xfa/fwl/core/ifwl_form.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/ifwl_form.h"
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/core/cfwl_message.h"
@@ skipping 34 matching lines @@
       m_pCaptionBox(nullptr),
       m_pSubFocus(nullptr),
       m_fCXBorder(0),
       m_fCYBorder(0),
       m_iCaptureBtn(-1),
       m_iSysBox(0),
       m_eResizeType(FORM_RESIZETYPE_None),
       m_bLButtonDown(FALSE),
       m_bMaximized(false),
       m_bSetMaximize(FALSE),
-      m_bCustomizeLayout(FALSE),
+      m_bCustomizeLayout(false),
       m_eFormSize(FWL_FORMSIZE_Manual),
       m_bDoModalFlag(FALSE),
       m_pBigIcon(nullptr),
       m_pSmallIcon(nullptr),
       m_bMouseIn(FALSE) {
   m_rtRelative.Reset();
   m_rtCaption.Reset();
   m_rtRestore.Reset();
   m_rtCaptionText.Reset();
   m_rtIcon.Reset();
 }
 
 IFWL_Form::~IFWL_Form() {
   RemoveSysButtons();
 }
 
-FWL_Error IFWL_Form::GetClassName(CFX_WideString& wsClass) const {
-  wsClass = FWL_CLASS_Form;
-  return FWL_Error::Succeeded;
-}
-
 FWL_Type IFWL_Form::GetClassID() const {
   return FWL_Type::Form;
 }
 
 FX_BOOL IFWL_Form::IsInstance(const CFX_WideStringC& wsClass) const {
   if (wsClass == CFX_WideStringC(FWL_CLASS_Form))
     return TRUE;
   return IFWL_Widget::IsInstance(wsClass);
 }
 
 FWL_Error IFWL_Form::Initialize() {
   if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
     return FWL_Error::Indefinite;
   RegisterForm();
   RegisterEventTarget();
   m_pDelegate = new CFWL_FormImpDelegate(this);
   return FWL_Error::Succeeded;
 }
-FWL_Error IFWL_Form::Finalize() {
+
+void IFWL_Form::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
   UnregisterEventTarget();
   UnRegisterForm();
-  return IFWL_Widget::Finalize();
+  IFWL_Widget::Finalize();
 }
+
 FWL_Error IFWL_Form::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Reset();
     FX_FLOAT fCapHeight = GetCaptionHeight();
     FX_FLOAT fCXBorder = GetBorderSize(TRUE);
     FX_FLOAT fCYBorder = GetBorderSize(FALSE);
     FX_FLOAT fEdge = GetEdgeWidth();
     rect.height += fCapHeight + fCYBorder + fEdge + fEdge;
     rect.width += fCXBorder + fCXBorder + fEdge + fEdge;
   } else {
@@ skipping 985 matching lines @@
 
 uint32_t CFWL_SysBtn::GetPartState() const {
   if (IsDisabled())
     return CFWL_PartState_Disabled;
   if (m_dwState & FWL_SYSBUTTONSTATE_Pressed)
     return CFWL_PartState_Pressed;
   if (m_dwState & FWL_SYSBUTTONSTATE_Hover)
     return CFWL_PartState_Hovered;
   return CFWL_PartState_Normal;
 }