Remove IFWL_*::Create methods, use new

xfa/fwl/core/ifwl_combobox.h

 // 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
 
 #ifndef XFA_FWL_CORE_IFWL_COMBOBOX_H_
 #define XFA_FWL_CORE_IFWL_COMBOBOX_H_
 
 #include "xfa/fwl/core/ifwl_form.h"
@@ skipping 67 matching lines @@
               int32_t m_index;
               CFX_RectF m_rtItem;)
 
 class IFWL_ComboBoxDP : public IFWL_ListBoxDP {
  public:
   virtual FX_FLOAT GetListHeight(IFWL_Widget* pWidget) = 0;
 };
 
 class IFWL_ComboBox : public IFWL_Widget {
  public:
-  static IFWL_ComboBox* Create(const CFWL_WidgetImpProperties& properties);
-
-  IFWL_ComboBox(const CFWL_WidgetImpProperties& properties,
-                IFWL_Widget* pOuter);
+  explicit IFWL_ComboBox(const CFWL_WidgetImpProperties& properties);
   ~IFWL_ComboBox() override;
 
   // IFWL_Widget
   FWL_Error GetClassName(CFX_WideString& wsClass) const override;
   FWL_Type GetClassID() const override;
   FWL_Error Initialize() override;
   FWL_Error Finalize() override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded,
                            uint32_t dwStylesExRemoved) override;
@@ skipping 133 matching lines @@
   void OnDeactive(CFWL_MsgDeactivate* pMsg);
   void OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet);
   FX_BOOL m_bLButtonDown;
   FX_BOOL m_bLButtonUpSelf;
   FX_FLOAT m_fStartPos;
   IFWL_Form* m_pForm;
   IFWL_ComboBox* m_pComboBox;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_COMBOBOX_H_