Remove IXFA_* interfaces.

xfa/fxfa/parser/xfa_localemgr.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_FXFA_PARSER_XFA_LOCALEMGR_H_
 #define XFA_FXFA_PARSER_XFA_LOCALEMGR_H_
 
 #include "xfa/fgas/localization/fgas_datetime.h"
@@ skipping 34 matching lines @@
 
  protected:
   CFX_PtrArray m_LocaleArray;
   CFX_PtrArray m_XMLLocaleArray;
   IFX_Locale* m_pDefLocale;
   CFX_WideString m_wsConfigLocale;
   uint16_t m_dwDeflcid;
   uint16_t m_dwLocaleFlags;
 };
 
-class IXFA_TimeZoneProvider {
+class CXFA_TimeZoneProvider {
  public:
-  static IXFA_TimeZoneProvider* Create();
-  static IXFA_TimeZoneProvider* Get();
+  CXFA_TimeZoneProvider();
+  ~CXFA_TimeZoneProvider();
+
+  static CXFA_TimeZoneProvider* Create();
+  static CXFA_TimeZoneProvider* Get();
   static void Destroy();
 
-  virtual ~IXFA_TimeZoneProvider() {}
-
-  virtual void SetTimeZone(FX_TIMEZONE& tz) = 0;
-
-  virtual void GetTimeZone(FX_TIMEZONE& tz) = 0;
-};
-class CXFA_TimeZoneProvider : public IXFA_TimeZoneProvider {
- public:
-  CXFA_TimeZoneProvider();
-  virtual ~CXFA_TimeZoneProvider();
-  virtual void SetTimeZone(FX_TIMEZONE& tz);
-  virtual void GetTimeZone(FX_TIMEZONE& tz);
+  void SetTimeZone(FX_TIMEZONE& tz);
+  void GetTimeZone(FX_TIMEZONE& tz);
 
  private:
   FX_TIMEZONE m_tz;
 };
 
 #endif  // XFA_FXFA_PARSER_XFA_LOCALEMGR_H_