Merge to XFA: Fix the issue that pdfium swallows 'fi' or 'ff' in some pdf files

core/src/fpdfapi/fpdf_page/fpdf_page_parser.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 "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_serial.h"
 #include "pageint.h"
 
 #define REQUIRE_PARAMS(count)  \
   if (m_ParamCount != count) { \
-    m_bAbort = TRUE;           \
     return;                    \
   }
 
 CPDF_StreamContentParser::CPDF_StreamContentParser(
     CPDF_Document* pDocument,
     CPDF_Dictionary* pPageResources,
     CPDF_Dictionary* pParentResources,
     CFX_AffineMatrix* pmtContentToUser,
     CPDF_PageObjects* pObjList,
     CPDF_Dictionary* pResources,
     CPDF_Rect* pBBox,
     CPDF_ParseOptions* pOptions,
     CPDF_AllStates* pStates,
     int level)
     : m_pDocument(pDocument),
       m_pPageResources(pPageResources),
       m_pParentResources(pParentResources),
       m_pResources(pResources),
       m_pObjectList(pObjList),
       m_Level(level),
       m_ParamStartPos(0),
       m_ParamCount(0),
-      m_bAbort(FALSE),
       m_pCurStates(new CPDF_AllStates),
       m_pLastTextObject(nullptr),
       m_DefFontSize(0),
       m_pPathPoints(nullptr),
       m_PathPointCount(0),
       m_PathAllocSize(0),
       m_PathCurrentX(0.0f),
       m_PathCurrentY(0.0f),
       m_PathClipType(0),
       m_pLastImage(nullptr),
@@ skipping 1541 matching lines @@
         buf.AppendChar((char)code);
       }
       bFirst = !bFirst;
     }
   }
   if (!bFirst) {
     buf.AppendChar((char)code);
   }
   return buf.GetByteString();
 }