Cleanup forward declarations.

xfa/include/fxfa/fxfa_widget.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_INCLUDE_FXFA_FXFA_WIDGET_H_
 #define XFA_INCLUDE_FXFA_FXFA_WIDGET_H_
 
 #include "xfa/include/fxfa/fxfa_objectacc.h"
 
 class CXFA_Node;
 class CXFA_FFDocView;
 class CXFA_FFDoc;
 class CXFA_FFApp;
-class CXFA_Node;
 class CXFA_EventParam;
 class CXFA_FFWidget;
 class CXFA_TextLayout;
-class CXFA_TextProvider;
 class CXFA_WidgetLayoutData;
 class IFX_Font;
 class IXFA_AppProvider;
 
 class CXFA_WidgetAcc : public CXFA_WidgetData {
  public:
   CXFA_WidgetAcc(CXFA_FFDocView* pDocView, CXFA_Node* pNode);
   ~CXFA_WidgetAcc();
 
   FX_BOOL GetName(CFX_WideString& wsName, int32_t iNameType = 0);
@@ skipping 82 matching lines @@
                                   FX_FLOAT& fWidth,
                                   FX_FLOAT& fCalcHeight);
   void InitLayoutData();
   void StartTextLayout(FX_FLOAT& fCalcWidth, FX_FLOAT& fCalcHeight);
   CXFA_FFDocView* m_pDocView;
   CXFA_WidgetLayoutData* m_pLayoutData;
   uint32_t m_nRecursionDepth;
 };
 
 #endif  // XFA_INCLUDE_FXFA_FXFA_WIDGET_H_