XFA: Remove dead AddDoRecord code.

xfa/include/fxfa/fxfa.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 FXFA_H_
 #define FXFA_H_
 
 class CFX_Graphics;
@@ skipping 419 matching lines @@
     return 0;
   }
   virtual CXFA_NodeList* Enumerate(IXFA_Doc* hDoc) { return 0; }
   virtual FX_BOOL Clear(IXFA_Doc* hDoc,
                         CXFA_Node* pSigNode,
                         FX_BOOL bCleared = TRUE) {
     return 0;
   }
   virtual void GetURL(IXFA_Doc* hDoc, CFX_WideString& wsDocURL) = 0;
   virtual FX_ARGB GetHighlightColor(IXFA_Doc* hDoc) = 0;
-  virtual void AddDoRecord(IXFA_Widget* hWidget) = 0;
 
   virtual FX_BOOL SubmitData(IXFA_Doc* hDoc, CXFA_Submit submit) = 0;
   virtual FX_BOOL CheckWord(IXFA_Doc* hDoc, const CFX_ByteStringC& sWord) = 0;
   virtual FX_BOOL GetSuggestWords(IXFA_Doc* hDoc,
                                   const CFX_ByteStringC& sWord,
                                   CFX_ByteStringArray& sSuggest) = 0;
   virtual FX_BOOL GetPDFScriptObject(IXFA_Doc* hDoc,
                                      const CFX_ByteStringC& utf8Name,
                                      FXJSE_HVALUE hValue) = 0;
   virtual FX_BOOL GetGlobalProperty(IXFA_Doc* hDoc,
@@ skipping 385 matching lines @@
                                  size_t size = 0) = 0;
   virtual void FinishChecksum() = 0;
   virtual void GetChecksum(CFX_ByteString& bsChecksum) = 0;
 
  protected:
   ~IXFA_ChecksumContext() {}
 };
 IXFA_ChecksumContext* XFA_Checksum_Create();
 
 #endif  // FXFA_H_