Remove CLASSHASH defines in favour of an enum class.

xfa/fwl/basewidget/fwl_editimp.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/basewidget/fwl_editimp.h"
 
 #include <algorithm>
 #include <vector>
@@ skipping 213 matching lines @@
   if (m_pEdtEngine) {
     m_pEdtEngine->Release();
     m_pEdtEngine = NULL;
   }
   ClearRecord();
 }
 FWL_ERR CFWL_EditImp::GetClassName(CFX_WideString& wsClass) const {
   wsClass = FWL_CLASS_Edit;
   return FWL_ERR_Succeeded;
 }
-uint32_t CFWL_EditImp::GetClassID() const {
-  return FWL_CLASSHASH_Edit;
-}
+
 FWL_ERR CFWL_EditImp::Initialize() {
   if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
     return FWL_ERR_Indefinite;
   if (!m_pDelegate) {
     m_pDelegate = new CFWL_EditImpDelegate(this);
   }
   InitCaret();
   if (!m_pEdtEngine) {
     InitEngine();
   }
@@ skipping 1202 matching lines @@
   if (!pfWidth)
     return;
   FX_FLOAT fWidth = *pfWidth;
   if (!m_pOuter) {
     CFX_RectF* pUIMargin = static_cast<CFX_RectF*>(
         GetThemeCapacity(CFWL_WidgetCapacity::UIMargin));
     if (pUIMargin) {
       m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
                          pUIMargin->height);
     }
-  } else if (m_pOuter->GetClassID() == FWL_CLASSHASH_DateTimePicker) {
+  } else if (m_pOuter->GetClassID() == FWL_Type::DateTimePicker) {
     CFWL_ThemePart part;
     part.m_pWidget = m_pOuter;
     CFX_RectF* pUIMargin =
         static_cast<CFX_RectF*>(m_pOuter->GetThemeProvider()->GetCapacity(
             &part, CFWL_WidgetCapacity::UIMargin));
     if (pUIMargin) {
       m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
                          pUIMargin->height);
     }
   }
@@ skipping 683 matching lines @@
     }
     CFX_RectF rect;
     m_pOwner->GetWidgetRect(rect);
     CFX_RectF rtInvalidate;
     rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
     m_pOwner->Repaint(&rtInvalidate);
   }
   return TRUE;
 }
 void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}